What the Rainbow Spectrum Bundle Gives You
The Rainbow Spectrum Jelly Roll Bundle is a precut collection of 40 cotton fabric strips, each measuring 2.5" x 39.4" (6.2 cm x 100 cm). The strips span a full rainbow spectrum — from bold brights to soft pastels — giving you a versatile palette for a wide range of projects. Because the fabric is 100% cotton, it handles well for cutting, sewing, and pressing.
The bundle's color range includes cheerful yellows, deep blues, elegant blacks, and everything in between. This variety makes it easy to create gradients, color-block designs, or scrappy-looking quilts without having to cut yardage.
Bundle Facts That Shape Your Project Plan
- Rainbow Spectrum Jelly Roll Bundle: 40 strips of 2.5" x 39.4" (6.2 cm x 100 cm), 100% cotton. Each strip is long enough for a lap quilt width (about 39"). With 40 strips, you can sew them into a top that measures roughly 40" x 39" if you use all strips side by side, or combine them with sashing for a larger quilt.
Rainbow Spectrum Jelly Roll Bundle - Rainbow Spectrum Jelly Roll Bundle: A full rainbow spectrum of bold and pastel hues. The mix of bright and soft colors lets you design both high-contrast rainbow quilts and more subtle ombre effects. You can also pull out just the pastels or just the brights for a focused color story.
- Rainbow Spectrum Jelly Roll Bundle: Bonus tip: Mix these vibrant strips with neutrals like white or grey to make the colors pop. Adding a neutral fabric between strips (as sashing or background) helps each color stand out and reduces visual busyness. This is especially useful if you want a modern, clean look.
Simple Strip Quilt from Your Jelly Roll
One of the quickest ways to use a jelly roll is to sew the strips together along their long edges to create a striped panel. Here's a straightforward approach:
- Sort and arrange the strips: Lay the strips out on a design wall or floor. Arrange them in a gradient from light to dark, or in rainbow order (red, orange, yellow, green, blue, purple). You can also group similar tones together for a color-block effect.
- Sew strips into pairs: Sew the strips together along the 39.4" (100 cm) edges using a 1/4" seam. Press seams open or to one side. Continue adding strips until you have a single large panel. With 40 strips, the panel will be about 40" wide (minus seam allowances) and 39.4" tall.
- Add borders or sashing (optional): If you want a larger quilt, add borders around the striped center. Or cut the panel into sections and rearrange them for a bargello or rail fence pattern. The bundle's color range works well with a solid white or grey border.
- Quilt and bind: Layer the quilt top with batting and backing, then quilt as desired. Because the strips are already colorful, a simple straight-line or meander quilting lets the fabric shine. Bind with a coordinating solid or a dark strip from the bundle.
Other Project Ideas for This Bundle
Beyond a full quilt, the Rainbow Spectrum Jelly Roll Bundle is ideal for smaller projects that show off the color range:
• Pillow covers – Use 6–8 strips sewn together to make a quick 18" x 18" pillow top. The bright colors add a cheerful accent to a sofa or bed.
• Tote bags – Cut strips to the desired length and sew them into a panel for a bag body. The 39.4" length is enough for a medium tote without piecing.
• Table runners – Sew 4–6 strips together and trim to your preferred length. Add a border for a finished look that fits a dining table.
• Strip-pieced placemats – Use 3–4 strips per placemat, backed with a neutral fabric. They make a coordinated set for a colorful table.
• Baby quilts – A 40-strip panel is roughly crib-sized. Add a soft minky backing for a cozy, washable baby blanket.
What the Listing Does Not Tell You
The product listing confirms the fabric is 100% cotton and pre-cut into strips, but it does not specify the exact number of strips per color or the repeat pattern. If you need a precise color count for a symmetrical design, you may want to order two bundles or plan a scrappy layout that doesn't depend on matching repeats.
Care instructions are not included in the listing. For 100% cotton precuts, most quilters recommend washing the finished quilt in cold water and tumble drying on low. Prewashing the strips is optional — many quilters prefer not to prewash precuts to avoid fraying, but test a strip if you're unsure.
