Cellphone Shoulder Bag Free Knitting Pattern
There is something deeply satisfying about carrying a handmade accessory. When you knit a small bag yourself, every stitch tells a story, and the finished object becomes far more than just a place to stash your phone. It becomes a conversation starter, a personal statement, and proof that you can create something both beautiful and functional with nothing more than yarn and needles. This free knitting pattern for a cellphone shoulder bag is designed for knitters who want a quick, rewarding project that produces a genuinely useful result. Whether you are commuting, running errands, hiking a trail, or heading to a farmers market, this little bag keeps your essentials close without weighing you down.
This pattern is suitable for knitters with at least a little experience — if you can knit, purl, and cast on comfortably, you have all the skills you need. That said, the instructions below are written in enough detail that a patient beginner could absolutely work through them. By the end, you will have a snug, stylish bag large enough to hold a modern smartphone, a few cards, some cash, earbuds, and a lip balm or two.
Why Knit a Cellphone Shoulder Bag?
Before we get into the pattern itself, it is worth pausing on why this project is worth your time. Commercial phone pouches and crossbody bags are everywhere, of course, but they tend to be made from synthetic materials that wear out, look generic, and offer no real personal expression. A knitted bag, on the other hand, can be customized completely. You choose the color, the fiber, the strap length, and the embellishments. If you want a sleek neutral to go with everything, you pick a charcoal merino. If you want something bohemian and colorful, you reach for a hand-dyed cotton or a variegated wool. The pattern is the foundation; the personality is all yours.
Knitted fabric also has a natural give and cling that protects your phone beautifully. Unlike a rigid case, a tightly knit pouch cushions impact while still keeping the phone accessible. The structure you build into the bag with the right yarn weight and needle size means it holds its shape without being stiff.
There is also the matter of portability during the knitting process itself. This is a small project. You can finish it in a weekend, or carry it with you and work on it in spare moments over the course of a week. It requires minimal yarn — often a single skein is more than enough — and the needles are compact enough to tuck into any bag you are already carrying.
Materials You Will Need
Yarn: Approximately 100–150 yards of a worsted weight yarn (also labeled as weight 4 on most yarn bands). A yarn with some elasticity — a wool, wool blend, or a cotton-acrylic blend — works especially well because it holds its shape and gives your bag structure. Pure cotton is a lovely option for warmer months and produces a slightly heavier, more structured fabric. Avoid very loosely spun or novelty yarns for your first attempt, as they can make it harder to see your stitches clearly.
Needles: US size 7 (4.5mm) straight needles or double-pointed needles if you prefer to work in the round. The pattern below is written for flat knitting on straight needles, then seamed, which many knitters find easier to manage.
Additional supplies: A tapestry needle for weaving in ends and seaming, scissors, a stitch marker (optional but helpful), and a button or magnetic snap closure if you want one. You may also want a small piece of stiff interfacing or a plastic canvas insert if you prefer a firmer base, though this is entirely optional and the bag holds up well without it.
Gauge: 18 stitches and 24 rows over 4 inches in stockinette stitch. Take the time to swatch. A proper gauge ensures your finished bag is the right size to fit your phone snugly. If you have too many stitches per inch, go up a needle size. If you have too few, go down.
Understanding the Dimensions
A standard modern smartphone measures roughly 3 inches wide and 6 inches tall, with some variation depending on the model. This pattern produces a bag that is approximately 4 inches wide and 7 inches tall before any seaming, which gives you a half-inch of ease on each side and a bit of extra depth at the top so the phone slides in and out comfortably. If you have a particularly large phone or you want to carry additional items alongside it, simply add stitches in multiples of two to the cast-on and add rows to the length accordingly.
The strap, worked separately as an I-cord or a simple knitted strip, can be adjusted to any length you prefer. A 48-inch strap creates a crossbody bag that hits at hip level on most adults. A 36-inch strap creates more of a shoulder bag that sits higher. Work a short length, hold it up against yourself, and decide what feels right for the way you plan to wear it.
The Pattern
Abbreviations
CO: Cast on
K: Knit
P: Purl
K2tog: Knit two stitches together (a right-leaning decrease)
SSK: Slip, slip, knit (a left-leaning decrease)
BO: Bind off
RS: Right side
WS: Wrong side
St(s): Stitch(es)
Rep: Repeat
The Body of the Bag
Cast on 18 stitches using your preferred cast-on method. The long-tail cast-on is a popular choice for this kind of project because it creates a neat, slightly stretchy edge that seams beautifully.
Rows 1 through 4 — Garter Stitch Border: Knit every stitch on every row. This creates a firm, flat border at the base of your bag that resists curling and adds structure.
Row 5 (RS): Knit across.
Row 6 (WS): Knit 2, purl to the last 2 stitches, knit 2.
Repeat rows 5 and 6 until your piece measures 7 inches from the cast-on edge, ending with a wrong side row. The two knit stitches at each edge on the wrong side rows create a tidy selvage that makes seaming much easier and keeps the edges from rolling.
Top Border:
Work 4 rows of garter stitch (knit every row).
Bind off all stitches loosely. A loose bind-off is important here because a tight edge at the top of the bag will make it difficult to slide your phone in and out comfortably. If you tend to bind off tightly, go up one needle size for the bind-off row only.
Make a second identical piece following the same instructions. You now have the front and back of your bag.
Shaping the Flap (Optional)
If you would like your bag to have a fold-over flap rather than an open top, work the second panel as follows. Complete everything above through the final garter stitch border, but do not bind off. Instead, continue:
Next row (RS): Knit across.
Next row (WS): Knit 2, purl to last 2 sts, knit 2.
Repeat these two rows until your flap extension measures 3 inches from the top border, ending with a wrong side row.
Shaping the flap point:
Row 1: K1, SSK, knit to last 3 sts, K2tog, K1. (2 sts decreased)
Row 2: Knit across.
Repeat rows 1 and 2 until 6 stitches remain.
Next row: K1, SSK, K2tog, K1. (4 sts remain)
Next row: K1, K2tog, K1. (3 sts remain)
Bind off remaining 3 stitches.
This creates a lovely pointed flap that folds over the front of the bag. You can attach a button or magnetic snap to close it.
Seaming the Bag
Block both pieces lightly before seaming. A quick spritz of water and a gentle press under a damp towel, or a few minutes on a blocking mat with pins, relaxes the fabric and makes it easier to work with. Let the pieces dry completely.
Lay the front and back panels with wrong sides facing each other and edges aligned. Thread your tapestry needle with a length of yarn about three times the perimeter of the bag. Using mattress stitch, seam up one side, across the bottom, and up the other side. Mattress stitch creates an invisible, flat seam that gives the bag a polished, professional appearance. If you prefer, you can seam with whip stitch instead — it is faster and creates a slight decorative ridge along the outside edge that some knitters find appealing.
Leave the top of the bag open.
Making the Strap
Option one — I-cord strap: I-cord produces a smooth, rounded, rope-like strap that looks elegant and is comfortable against the shoulder. Using double-pointed needles, cast on 4 stitches. Knit across. Without turning your work, slide the stitches to the other end of the needle. Pull the yarn firmly across the back and knit again. Repeat until your cord measures your desired strap length (48 inches for crossbody, 36 inches for shoulder). Bind off and set aside.
Option two — Flat knitted strap: Cast on 6 stitches. Work in garter stitch (knit every row) until the strap reaches your desired length. Bind off. This strap is flat and slightly wider than an I-cord, which some wearers find more comfortable as it distributes the weight differently.
Option three — Braided strap: Make three I-cords each measuring about 60 inches, then braid them together and knot or sew each end. This is a wonderful choice if you want a thicker, more textured strap with a handcraft feel.
Attaching the Strap
Thread both ends of your strap through a tapestry needle in turn, or use the tail of yarn at each end. Attach one end of the strap to the upper inside corner of the left side seam, weaving it securely in and out through the seam itself. Attach the other end to the upper inside corner of the right side seam. Knot the ends on the inside of the bag and weave in the tails with your tapestry needle. Give the strap a good firm tug to ensure the attachment is secure before you trust it with your phone.
Customization Ideas
One of the most enjoyable aspects of a project like this is how readily it accepts personal touches. Here are some ways to make your bag completely your own.
Colorwork: If you are comfortable with stranded knitting or intarsia, work a small motif into the front panel. A geometric diamond pattern, a small heart, a leaf, or even your initial adds a lovely personal element without requiring advanced skills.
Textured stitch patterns: Instead of stockinette with a garter border, try working the entire panel in seed stitch, which creates a beautifully textured fabric that does not curl at the edges and eliminates the need for a garter border. Simply alternate knit and purl stitches across every row, making sure to knit the purls and purl the knits as you see them. Moss stitch is another excellent option.
Pockets: Before seaming, you can knit a small inner pocket from a scrap of yarn and mattress stitch it to the inside of the back panel. This gives you a slim pocket within the bag for cards or cash, keeping them separate from your phone.
Embellishments: A row of simple embroidered flowers around the top edge, a line of French knots, or a crocheted edging added after seaming can transform a basic bag into something truly special. If you do not crochet, a simple blanket stitch around the top opening in a contrasting color adds a handsome finishing touch.
Lining: Sewing a small fabric lining inside your bag protects your phone from the texture of the yarn, prevents small items from slipping through if your gauge is loose, and gives the interior a polished look. Cut a piece of cotton fabric slightly smaller than the interior of your bag, fold the edges under, and slip stitch it in place.
Yarn Recommendations
If you are not sure where to start with yarn selection, a few tried-and-true options work wonderfully for this kind of project.
Lion Brand Fishermen’s Wool is a classic worsted weight wool that is affordable, durable, and available in a range of colors from natural undyed shades to rich jewel tones. It felts beautifully if you want to experiment with that technique for extra structure.
Cascade 220 is another beloved worsted weight wool that knitters have trusted for decades. The stitch definition is excellent, the color range is vast, and the finished fabric has just the right amount of body for a structured bag.
Paintbox Simply DK, used held double, works beautifully here if you want a cotton option. Holding two strands of a DK weight yarn together approximates worsted weight and gives you a firm, slightly heavier fabric ideal for bags.
Malabrigo Rios, if budget allows, produces a bag that is genuinely luxurious to the touch, with subtle color variation that gives the finished object a beautiful depth.
Caring for Your Knitted Bag
Check the care instructions on your yarn label and follow them. Most wool yarns benefit from gentle hand washing in cool water with a small amount of wool wash or mild dish soap. Press out excess water by rolling the bag in a towel — never wring it. Reshape the bag while it is still damp and allow it to air dry flat. Cotton yarns can often be machine washed on a delicate cycle in a mesh laundry bag. Regular cleaning keeps your bag looking fresh and prevents oils from your skin and everyday use from dulling the fiber over time.
A Note on Gauge and Fit
It bears repeating: swatch before you begin. A four-inch square takes fifteen minutes to knit and can save you from finishing a bag that is either too tight to fit your phone or so loose that it sags. If your swatch comes out at the right stitch count but the fabric feels too loose and floppy for a bag, drop down a needle size. You want the finished fabric to be slightly firmer than what you would choose for a sweater — it should hold its shape without being stiff or boardlike.
Finishing Touches
Weave in all remaining ends thoroughly. For a bag that will receive daily use, spend a little extra time on this step. Thread the tail through several stitches in different directions rather than just running it straight, and give it a gentle tug to ensure it is locked in place. Nothing is more frustrating than a beautiful finished bag that starts to unravel at a loose end.
Give the finished bag a final block if needed, shaping it gently around your phone or a similarly sized book. This evens out any uneven tension and gives the bag a polished look.
The Joy of Knitting Your Own Accessories
There is a particular pride that comes with using something you have made yourself. A knitted cellphone shoulder bag is not just a practical accessory — it is a wearable record of your skill, your taste, and the hours you invested in making something from scratch. When someone asks where you got it, you get to say you made it yourself. That never gets old.
This pattern is also a wonderful jumping-off point for further experimentation. Once you are comfortable with the basic construction, you might try scaling it up for a larger tote, scaling it down for a coin purse, or working the same panels in two different colors for a reversible bag with a completely different look on each side. The skills are the same; only the imagination changes.
Happy knitting, and enjoy every stitch.
