Quick & Easy Crochet Bag With Adjustable Strap | Step by Step Tutorial

If you’ve been searching for a beginner-friendly crochet bag pattern that actually looks polished and put together, you’ve landed in exactly the right place. This step-by-step tutorial will walk you through how to make a beautiful crochet bag with an adjustable strap from start to finish — no complicated stitch work, no confusing abbreviations left unexplained, and no frustration. Just a satisfying project that results in a functional, stylish bag you’ll want to carry everywhere.

Whether you’re a complete beginner who just learned how to hold a crochet hook or an intermediate crocheter looking for a quick weekend project, this pattern is designed with you in mind. The construction is straightforward, the materials are affordable, and the finished product looks like something you’d find at a boutique shop. Let’s get into it.

Why You’ll Love This Crochet Bag Pattern

Before we dive into the materials and steps, let’s talk about why this particular bag design is worth your time. A lot of free crochet bag patterns online are either too complicated for newer makers or too basic to be genuinely useful as an everyday bag. This pattern hits the sweet spot.

The adjustable strap is one of the features that sets this bag apart. Most crocheted bags come with a fixed-length strap, which means it works great as a crossbody bag for one person but might sit awkwardly for someone else. By incorporating a simple adjustable strap hardware piece — the kind you can find at any craft store — this bag adapts to your body and your preferred carry style. Wear it short as a shoulder bag, extend it long for a crossbody look, or anywhere in between.

The bag itself is sturdy enough to hold your everyday essentials: a wallet, phone, keys, lip balm, a small notebook, and even a paperback book if you’re an on-the-go reader. The body is worked in half double crochet, which creates a dense, firm fabric that holds its shape beautifully. And because half double crochet works up faster than single crochet, this bag doesn’t take forever to complete.

Materials You’ll Need

Getting your materials together before you start is one of the best habits you can build as a crocheter. Here’s everything you’ll need for this project.

For yarn, you’ll want approximately 200 to 250 yards of medium weight (size 4) cotton or cotton-blend yarn. Cotton is ideal for bags because it’s strong, durable, and doesn’t stretch out of shape over time the way acrylic yarn can. Some beautiful options include Lion Brand 24/7 Cotton, Paintbox Simply DK in a heavier weight, or any worsted-weight cotton you have on hand. For a tighter, more structured fabric, cotton is strongly recommended over wool or acrylic blends.

You’ll also need a size 5mm (H/8) crochet hook. If you tend to crochet tightly, you might go up to a 5.5mm hook to keep your tension relaxed. If your stitches feel loose or floppy, drop down to a 4.5mm.

For the adjustable strap, you’ll need a 1-inch adjustable slide buckle — these are sometimes called strap adjusters or tri-glide slides. You can find them at fabric and craft stores, leather goods suppliers, or online for very little money. You’ll also want two 1-inch D-rings or O-rings for the attachment points on the bag.

Additional materials include a yarn needle for weaving in ends, a pair of scissors, stitch markers (optional but helpful), and a measuring tape. If you want to add a lining to your bag — which gives it a beautiful finished look and extra structure — you’ll also need about a quarter yard of coordinating fabric, matching thread, and a sewing needle or sewing machine.

Understanding the Stitches

If you’re a beginner, let’s do a quick refresher on the stitches used in this pattern. Even if you’ve crocheted before, this section will help you confirm you’re working the right technique.

Chain (ch): The foundation of almost every crochet project. Make a slip knot, then yarn over and pull through the loop on your hook. Each of these counts as one chain.

Half Double Crochet (hdc): This is the main stitch for the bag body. Yarn over, insert your hook into the stitch, yarn over again, pull up a loop (you now have three loops on your hook), yarn over one final time, and pull through all three loops at once. That’s one half double crochet. It’s slightly taller than a single crochet and creates a lovely, dense texture.

Single Crochet (sc): Used for a few finishing details. Insert your hook into the stitch, yarn over, pull up a loop (two loops on hook), yarn over, and pull through both loops. Simple and clean.

Slip Stitch (sl st): Used to join rounds and finish edges. Insert your hook, yarn over, and pull through both the stitch and the loop on your hook in one motion.

Pattern Notes and Gauge

Gauge for this pattern is approximately 14 half double crochets and 11 rows equals 4 inches, using a 5mm hook and medium weight cotton yarn. Gauge matters more for garments than for bags, but checking yours before you begin will help you estimate how much yarn you’ll need and whether your finished bag will land close to the intended size.

The finished bag measures approximately 10 inches wide, 9 inches tall, and 2 inches deep when blocked and seamed. This is a nice medium tote size — bigger than a wristlet but more compact than a large tote bag.

The pattern is written in American crochet terms.

Step One: Make the Foundation Chain

Start with a slip knot and chain 36. This will form the base of your bag. If you’d like a wider bag, add stitches in multiples of two. If you’d like a narrower bag, subtract in the same way. Just remember that whatever number you chain will determine your final bag width, so measure your chain against a ruler before continuing — it should measure about 10 inches.

Step Two: Work the First Row

Turn your work and insert your hook into the third chain from your hook. Remember that those first two chains count as your turning chain and will represent the first hdc of the row. Work one half double crochet into each chain across. At the end of the row, you should have 35 half double crochets total, counting the turning chain as the first stitch.

Chain two and turn your work.

Step Three: Continue the Bag Body

Work half double crochet across each row, with a chain-two turning chain at the beginning of each row. Continue in this manner until your work measures 18 inches from the beginning. This might sound like a lot, but remember — when you fold the piece in half to form the bag, each side will be 9 inches tall, which is exactly the right proportion.

As you work, check your stitch count at the end of every few rows to make sure you still have 35 stitches. It’s easy to accidentally add or lose a stitch in the turning chain area, and catching it early saves a lot of frustration.

If you want to add stripes, this is the easiest point to do it. Simply change yarn colors at the beginning of a new row by working the last yarn over of the final stitch of the previous row with your new color. This creates a clean color change with no jagged edges.

Step Four: Fold and Seam the Bag

Once your panel measures 18 inches, fasten off and weave in the starting tail, but leave a long tail at the finishing end — you’ll use this to seam the sides.

Fold your panel in half so that the two short ends meet. The right sides should be facing outward unless you prefer an inside-out seam, which some people like for a slightly more defined edge on the exterior.

Thread your yarn needle with the long tail and use a whip stitch or mattress stitch to seam up each side of the bag. A mattress stitch creates an almost invisible seam and is worth the extra moment it takes to learn if you haven’t already. Simply insert your needle through one stitch on the front panel, then through the corresponding stitch on the back panel, and continue working up the seam in this way.

When both sides are seamed, your bag should look like a simple rectangular pouch. Weave in all remaining ends.

Step Five: Create the Box Bottom (Optional but Recommended)

A flat bottom makes a bag infinitely more functional. To box out the bottom of your bag, pinch one of the bottom corners so that the side seam lines up with the center bottom fold. You’ll create a small triangle at each corner. Use your measuring tape to mark 1 inch from the corner point on each triangle, then stitch across this line with a whip stitch using your yarn needle and a small length of yarn. Repeat on the other corner.

If you want a deeper box bottom — which looks especially nice with structured yarn — mark 1.5 inches from the point instead of 1 inch. The wider your base triangle, the flatter and more structured your bag bottom will be.

Step Six: Crochet the Bag Top Edge

With your bag oriented right-side up, attach your yarn to one of the top corner stitches with a slip stitch. Work a row of single crochet all the way around the top opening of the bag, working into each stitch and row end around the full perimeter. When you reach the starting point, join with a slip stitch and chain one.

Work a second round of single crochet for a more finished edge, or skip this round if you prefer a thinner border. Fasten off and weave in ends.

Step Seven: Attach the D-Rings

Take your two D-rings or O-rings and position them on opposite sides of the bag, roughly centered from left to right and sitting just below the top edge. Cut two small lengths of yarn — about 8 inches each — and fold each one in half. Thread one folded length through a D-ring, then use your yarn needle to stitch both tail ends securely through the bag fabric several times. This creates a small loop of yarn that holds the ring in place. Knot the tails on the inside of the bag and weave them in.

If you want an even more secure attachment — especially if you plan to carry heavy items — you can reinforce this area with a small square of fabric glued or stitched to the inside of the bag behind each ring.

Step Eight: Make the Adjustable Strap

Cut a length of yarn approximately 70 to 80 inches long and fold it together with two or three additional strands of the same length. Working all strands together as one, crochet a chain long enough to fit through your adjustable slide buckle — about 6 inches. Then fold this into a loop and attach it to one end of the strap hardware according to the buckle’s instructions.

For the strap body itself, the cleanest method is to crochet a long chain and work two rows of single crochet across it to create a flat, firm strap about half an inch to three-quarters of an inch wide. Work with two strands of yarn held together for extra strength. The total strap length before threading through the hardware should be about 50 to 55 inches, which will give you plenty of adjustment range.

Alternatively, you can purchase a pre-made cotton or nylon webbing strap and simply attach your D-rings and hardware to that. This is a practical shortcut if you’re making this bag as a gift and want it to hold up to heavy daily use.

Thread the strap through both D-rings and through the adjustable slider according to the hardware packaging’s instructions. When properly threaded, you should be able to pull one end of the strap to shorten the overall length, and release it to lengthen it again.

Step Nine: Add an Optional Lining

Lining your bag is optional, but it transforms the finished piece from a lovely handmade bag into something that genuinely looks and functions like a high-quality product. To line the bag, cut two rectangles of fabric the same dimensions as your crocheted bag panels, adding half an inch all the way around for seam allowance. Stitch the fabric pieces together along the bottom and both sides, leaving the top open. Fold the raw top edge under by half an inch and press it flat with an iron.

Drop the lining inside your bag with the wrong side of the fabric facing out and the folded top edge sitting just below the bag’s top edge. Use a whip stitch to hand-sew the lining to the inside of the bag, working all the way around the top opening. This hides all your yarn ends and gives the bag a beautiful, clean interior.

Tips for Customizing Your Bag

One of the best things about making your own accessories is the ability to make them completely your own. Here are a few ideas for personalizing this bag.

You can add a simple zipper closure to the top opening. Sewing zippers might feel intimidating, but a basic invisible zipper is surprisingly manageable even for beginners, and it turns the bag into something you can carry confidently on public transit without worrying about your belongings.

A decorative tassel attached to one of the D-rings adds a lot of visual interest for very little effort. Cut about twenty 12-inch lengths of yarn, fold them in half, loop them through a small jump ring, and tie them off just below the loop. Trim the ends evenly and you’ve got a tassel that looks intentional and chic.

You can also experiment with stitch textures for the bag body. Replacing the half double crochet fabric with a simple bobble stitch, shell stitch, or even a basket weave pattern creates a completely different looking bag from the same basic construction. Once you’ve made this pattern once and understand the structure, swapping out the main stitch is a natural and fun next step.

Washing and Caring for Your Crochet Bag

Cotton yarn is wonderfully practical because it’s machine washable. Wash your bag in cold water on a gentle cycle and lay it flat to dry rather than placing it in the dryer, which can distort the shape. If the bag gets slightly misshapen during washing, you can gently block it back into shape while it’s still damp by stretching it to the right dimensions and allowing it to air dry completely on a flat surface.

If you’ve added a lining, check the care instructions for your lining fabric before washing and follow the most conservative recommendation of the two materials.

You’ve Got This

Making your own bag is one of those crochet projects that genuinely impresses people — not because it’s difficult, but because it’s so practical and beautiful that people can’t quite believe it came from a hook and some yarn. This pattern was designed to be achievable for any skill level while still resulting in something that feels truly finished and polished.

Take your time with each step, don’t rush the seaming or the ring attachment, and remember that even if your tension isn’t perfect or your rows aren’t completely straight, the finished bag will have a handmade character that mass-produced bags simply can’t replicate. That’s the whole point.

If you make this bag, share it — on Instagram, on Pinterest, in your local crochet group, or just show it to someone who’ll appreciate the work that went into it. Every completed project is worth celebrating, and this one especially so.

Happy crocheting.