In quilting, a jelly roll is a bundle of long, pre-cut fabric strips, commonly cut to about 2.5 inches wide by the width of the fabric. The strips are usually selected from coordinating prints or colours, which makes jelly roll fabric convenient for strip quilts, borders, log-cabin blocks and other patchwork designs.

The important detail is that not every pack contains the same number of strips. Some bundles contain 20 pieces, others 40 or more, and manufacturers can use different fabric widths. Always check the individual product description before calculating a quilt. You can see current options in our Jelly Rolls collection.

What is a jelly roll in quilting?

“Jelly roll” is commonly used by quilters to describe a coordinated set of narrow fabric strips rolled together into a spiral. The format saves time because the strips are already cut to a consistent width.

Many jelly rolls are made from quilting cotton and contain multiple prints from one colour palette or collection. This means you can introduce variety into a quilt without buying full-width lengths of every design.

What size are jelly roll strips?

A common strip width is 2.5 inches (about 6.35 cm), with the length running across the usable width of the fabric. Depending on the manufacturer, a strip might be around 40–44 inches long, but exact dimensions vary.

Pre-cut edges may be straight or pinked. If a strip has a pinked edge, check the manufacturer's guidance or measure consistently before sewing because the exact reference point for the 2.5-inch width can vary.

How many strips are in a jelly roll?

There is no universal strip count. Commercial packs are available in many sizes. At CraftsFabrics, for example, you may see 20-piece and 40-piece formats. That is why a quilt pattern that says “one jelly roll” should be checked carefully: look at the number of strips and total fabric required by the pattern, not just the bundle name.

What are jelly rolls used for?

Jelly rolls are particularly useful wherever a pattern relies on repeated strips. Common projects include:

• strip quilts;
• rail fence blocks;
• log cabin blocks;
• strip-pieced stars and geometric blocks;
• quilt borders and sashing;
• patchwork bags;
• table runners;
• placemats and mug rugs;
• scrappy binding, where the pattern allows;
• small accessories made from strip-pieced panels.

Why quilters like jelly roll fabric

The biggest advantage is preparation. Consistent strips reduce the amount of initial cutting and make it easier to start a project quickly. Coordinated colours can also remove some of the uncertainty from fabric selection.

Pre-cuts can be especially useful for beginners learning consistent seam allowances because the strips already share a standard width. However, accurate sewing is still important: a small seam error repeated across many strips can change the size of a completed block.

Are jelly rolls good for beginners?

Yes. Simple strip-pieced designs are among the most accessible quilting projects. Beginners can practise straight seams, pressing and consistent quarter-inch seam allowances without cutting dozens of individual strips first.

Choose a pattern written specifically for 2.5-inch strips and verify that your pack has enough pieces. A design that needs 40 strips will not work from a 20-strip pack without additional fabric.

How much fabric is in a jelly roll?

The total fabric depends on both strip count and strip length. Rather than relying on a single conversion, calculate from the actual bundle dimensions shown on the product listing.

For planning purposes, note the number of strips, their width and their usable length. Then compare those figures with the cutting requirements in your pattern. This is more reliable than assuming every jelly roll contains the same amount of fabric.

What can you make with one jelly roll?

One bundle can be enough for many small projects and can form a substantial part of a quilt top, but the final project size depends heavily on strip count, block design, seam allowances and any background fabric added.

Popular one-bundle ideas include table runners, cushion fronts, tote panels, lap-quilt tops and strip-pieced throws. For a larger quilt, you may need multiple rolls or additional background, border and backing fabric.

Jelly roll vs fat quarter

The main difference is shape. Jelly rolls provide long narrow strips, while fat quarters provide wider rectangular pieces.

If your pattern is based on strips, a jelly roll can save significant cutting time. If you need squares, triangles or larger panels in different sizes, fat quarters can be more flexible.

Tips for sewing with jelly roll strips

• Do not assume every strip is identical in length. Square and trim units according to the pattern.
• Use a consistent seam allowance. Repeated strip piecing magnifies small inaccuracies.
• Press carefully. Avoid stretching long strips out of shape while ironing.
• Plan colour order first. Lay strips out before sewing if the design relies on contrast or graduation.
• Check for directional prints. Some motifs may need to face a specific way in the finished block.

Should you pre-wash jelly rolls?

Many quilters choose not to pre-wash narrow pre-cut strips because washing can cause fraying or distortion. Others prefer to pre-treat fabric before washable projects. Follow the supplier's care information and your pattern guidance, and keep treatment consistent across all fabrics used in the same project.

Frequently asked questions

Are all jelly rolls 40 strips?

No. Strip count varies by manufacturer and product. Always check the listing; a pack can contain 20, 40 or another number of strips.

Are jelly roll strips always 2.5 inches wide?

2.5 inches is a common quilting format, but you should still verify the dimensions of the specific pack you are buying.

Can jelly rolls be used for more than quilts?

Yes. Strip-pieced fabric can be turned into bags, cushions, placemats, table runners and many smaller craft projects.

Do jelly rolls include backing fabric?

Usually no. A jelly roll generally contains strips for piecing. Quilt backing, wadding and binding requirements should be checked separately in your pattern.

Start a jelly roll project

Jelly rolls are a practical way to work with coordinated fabrics while reducing cutting time. The key is to choose a pattern that matches the strip width and to confirm the number of strips needed before you start.

Ready to try strip quilting? Browse our Jelly Rolls collection for pre-cut fabric strips suitable for patchwork, quilting and craft projects.