The best stitches for crocheting T-shirt yarn and cord bags

Choosing the right stitch is what makes the difference between a bag that keeps its shape and looks good and one that becomes floppy, loses its shape, or stretches with use. With T-shirt yarn and cord (materials with body and some elasticity), the goal is usually clear: compact, durable, and with a clean finish.

In this guide, you’ll find a selection of the stitches that work best for bags, along with their advantages, when to use them, and tips for achieving a professional result.

Table of contents

1. What a bag stitch should have
2. 1) Single crochet (the basic stitch that works)
3. 2) Centered single crochet (firmer and more premium)
4. 3) Single crochet through the BLO (texture + structure)
5. 4) “Grain” stitch / rice-like texture (very stable)
6. 5) Half double crochet (fast, with nuances)
7. 6) Basket stitch / raised texture (for structured bags)
8. What about openwork stitches?
9. How to choose based on the type of bag
10. Pro tips to keep your bag from stretching
11. Recommended materials

What a bag stitch should have

Before getting into specific stitches, these are the 4 qualities we look for when crocheting bags with T-shirt yarn and/or cord:

• Density: the fabric shouldn’t be “open” and should withstand friction.
• Stability: it shouldn’t stretch too much under weight (especially in the handles and along the top edge).
• Definition: the stitch should look clean and even.
• Comfort while crocheting: if the stitch forces you to pull too tightly, you’ll end up with uneven tension.

1) Single crochet (the basic stitch that works)

Single crochet is the all-rounder for bags: compact, durable, and easy to control. With T-shirt yarn, it usually creates a bold look, while cord can give a very clean finish.

Advantages

• Good structure without complications.
• Perfect for beginners and repeatable patterns.
• Ideal for bags with a base and round walls.

When I would choose it

• Rectangular bags, bucket bags, compact shoppers, and clutches.
• If you want a uniform fabric that’s quick to understand.

Tip

With T-shirt yarn, single crochet improves dramatically if you keep your tension consistent and avoid “loosening” at the end of the round. Use a beginning-of-round marker.

2) Centered single crochet (firmer and more premium)

This stitch (also called centered single crochet) is denser and stiffer than regular single crochet. It’s a top choice when you want a bag that holds its shape well with use.

Advantages

• More compact: it holds weight better.
• Beautiful, very “professional” texture.
• It reduces the “deformation” effect on the sides.

When I would choose it

• Bags you want to be structured (boxy bags, firm bucket bags, mini crossbody bags).
• When the T-shirt yarn is more elastic or soft and you want to compensate.

3) Single crochet through the BLO (texture + structure)

Working single crochet through the back loop only (BLO) creates a defined line and a “channel” texture that looks ideal on modern bags. It also adds structure and helps define the shape.

Advantages

• Beautiful texture without complicating the pattern.
• It gives a more “architectural” finish.
• Perfect for marking transitions (base/side, body/edge).

When I would choose it

• If you want a bag with a minimalist look and subtle texture.
• With T-shirt yarn, to create more stable sides.

4) “Grain” stitch / rice-like texture (very stable)

There are simple textures (such as “grain,” “seed,” and combinations of single crochet and chains) that create a very stable fabric, less prone to stretching, with a subtly raised finish.

Why it works

• The texture “breaks up” the material’s natural elasticity.
• The bag stretches less with use.
• It disguises small tension variations.

When I would choose it

• For T-shirt yarn bags that tend to turn out floppy.
• If you want a different finish from the smooth stockinette-like look of single crochet.

5) Half double crochet (fast, with nuances)

Half double crochet helps you work up quickly and creates a taller fabric with each round, but with T-shirt yarn it can be somewhat more elastic if you do not control your tension.

Advantages

• Works up quickly: ideal for large projects.
• A good balance between compactness and speed.

When I would choose it

• Large shoppers (if you plan to add a lining or a rigid base).
• When the cord already provides structure and you want to work faster.

Note

If it looks too “open,” compensate with: more tension, a reinforcement round in single crochet along the top edge, or a lining.

6) Basket stitch / raised texture (for structured bags)

Textured stitches (such as basket stitch) create a very eye-catching finish with plenty of body. They provide structure, but use more material and take longer.

Advantages

• A very “boutique bag” finish.
• Great structure and presence.

When I would choose it

• Clutches or small/medium bags with a premium focus.
• When you want the stitch to be the star.

What about openwork stitches?

Yes, you can crochet openwork bags with T-shirt yarn and cord… but on one condition: plan the reinforcement from the start.

• If it’s an openwork shopper, it usually looks better with a lining.
• If it’s a small bag, you can use an inner structure or a “closed” openwork stitch.
• For handles, it’s best to avoid openwork stitches (they tend to stretch).

How to choose based on the type of bag

Pro tips to keep your bag from stretching

1. Make a small swatch and hang it with a weight for a few minutes: it will quickly tell you whether the stitch stretches.
2. Reinforce the top edge (1–2 firm rounds of single crochet or relaxed slip stitch).
3. Take care with the base/wall transition: a round in BLO usually prevents the “hat” effect.
4. Handles: if the handle is crocheted, use a dense stitch and consider combining it with cord or a rigid piece.
5. Lining: it’s not just about aesthetics; it provides structure. If the bag will carry weight, the lining will save the fabric.

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If I had to sum it up in one sentence: for bags that keep their shape, choose dense stitches (single crochet or centered single crochet) and reinforce the top edge. The finish makes all the difference.