7 Easy Steps to Sew a Box Cushion Cover

how to sew a box cushion cover no zipper

7 Easy Steps to Sew a Box Cushion Cover

Sewing your own box cushion cover is a rewarding project that can add a personalized touch to your home decor. Whether you’re looking to refresh an old piece of furniture or create a custom accessory, mastering the art of sewing a box cushion cover without a zipper is a valuable skill. This guide will walk you through the process, from selecting the fabric to the final stitches, ensuring your project is both beautiful and durable.

Creating a box cushion cover can be straightforward and rewarding, even for beginners. House by the Bay Design offers an in-depth guide on how to sew perfect fit box cushion covers, providing a comprehensive look at techniques such as adding zippers and creating snug fits. Additionally, for a more visual approach, YouTube hosts a detailed tutorial titled “STEP BY STEP HOW TO SEW A BOX CUSHION COVER with zipper & piping | NO fancy tools needed” that explains the process clearly, available here. For those preferring simpler visuals, another YouTube tutorial on making an easy one-piece boxed cushion cover, which simplifies the process for quick projects, can be found here.

Step 1: Preparing Your Fabric

Choosing the Right Fabric

The first step in creating a stunning box cushion cover is selecting the appropriate fabric. The choice of fabric can significantly impact the look, feel, and longevity of your cushion cover. Consider using upholstery fabric for its durability and aesthetic appeal. For those new to sewing, a Fabric Calculator for Cushion Covers can be an invaluable tool, helping you determine how much material you’ll need based on the size of your cushion.

Calculating Fabric Requirements

  • Measurements: Start by measuring the length, width, and depth of your cushion to calculate the amount of fabric needed. Remember to account for seam allowances and any pattern repeats.
  • Fabric Type: Choose a fabric that complements your decor and meets your durability needs. Upholstery fabric is ideal for cushion covers due to its strength and variety of designs.

Cutting Your Fabric Accurately

  • Tools: A sharp pair of fabric scissors or a rotary cutter, along with a cutting mat, will ensure clean and precise cuts.
  • Technique: Lay your fabric flat on your work surface and use a fabric tape measure to mark your cutting lines. Be sure to align your fabric grain correctly to avoid any twisting or warping of your finished cover.

Step 2: Measuring and Cutting Fabric Pieces

Accurate measurement and cutting are crucial for a professional-looking cushion cover. Begin by noting the dimensions of your cushion and adding an inch to both the length and width for seam allowances. This extra space ensures that your cover will fit snugly over your cushion without being too tight.

  • Top and Bottom Pieces: Cut two pieces of fabric using the dimensions obtained, adding an inch to both the length and width.
  • Boxing Strip: This strip runs around the perimeter of the cushion, creating the cover’s sides. Measure the circumference of your cushion and cut a strip of fabric to this length, plus an additional inch for seam allowance, and the desired width of your cushion’s side plus one inch.

Step 3: Sewing the Zipper Casing

Although our project focuses on creating a box cushion cover without a zipper, understanding how to sew a zipper casing can be beneficial for future projects. For those who prefer a no-zipper approach, consider using Sewing Techniques for Beginners to explore alternative closure methods such as buttons or Velcro, which can simplify the sewing process while still providing a secure closure.

  • Creating a Fold: Fold the edge of your fabric over to create a hem, pressing it down with an iron to keep it in place. This fold will act as the foundation for your alternative closure method.
  • Attaching the Closure: Sew your chosen closure onto the fold, ensuring it’s evenly spaced and securely attached.

Step 4: Assembling the Cushion Boxing

The boxing strip is what gives your cushion cover its depth and shape. Assembling the boxing correctly is key to achieving a professional finish.

  • Sewing the Strip: Begin by sewing the short ends of your boxing strip together, forming a loop that matches the circumference of your cushion.
  • Attaching the Boxing: Pin the boxing strip to the top piece of your fabric, right sides together, and sew around the perimeter. Repeat this process with the bottom piece, leaving an opening for inserting the cushion.

Finalizing Your Cushion Cover

Step 5: Attaching the Top and Bottom Pieces

After meticulously preparing your boxing strip, the next pivotal step is to unite it with the top and bottom fabric pieces. This phase is instrumental in defining the overall structure and appearance of your cushion cover. Precision and attention to detail are paramount here to guarantee a snug fit and impeccably sharp corners, which are hallmarks of a professionally made cover.

Aligning the Pieces

  • Right Sides Together: Carefully align the boxing strip with the top piece of fabric, ensuring the right sides are facing each other. This alignment is crucial for the aesthetics of your cushion cover. Secure the fabric in place with pins, distributing the boxing strip evenly around the top piece’s perimeter to avoid any puckering or misalignment.
  • Sewing: Employ a sewing machine to stitch along the pinned edge, adhering to the same seam allowance used during the fabric cutting phase. This consistency in seam allowance is key to maintaining the dimensions and fit of the cover. As you sew, remove the pins to prevent any potential damage to your sewing machine, ensuring a smooth sewing experience.

Achieving Sharp Corners

  • Clipping Corners: Sharp corners are achievable through careful clipping of the seam allowance at each corner. This step reduces bulk, allowing the fabric to neatly fold into a sharp corner when turned right side out. Exercise caution to avoid clipping too close to the stitches, which could lead to fraying or unraveling of the fabric.
  • Turning and Shaping: Once sewn, gently turn the cover right side out. Utilize a point turner or a blunt pencil to push out the corners, achieving a crisp and professional finish. This attention to detail in shaping the corners can significantly elevate the overall look of your cushion cover.

Step 6: Finishing Touches

With the structural components of your cushion cover assembled, you’re nearing the completion of your project. The finishing touches are crucial for both functionality and aesthetic appeal, transforming your cover from a simple piece of fabric into a stylish and practical home accessory.

Closing the Opening

  • Hand Stitching: If an opening was left for turning the cover right side out or for cushion insertion, now is the opportune moment to close it. Opt for a ladder stitch or an invisible stitch to hand-sew the opening shut. This technique ensures that the stitches are discreet, maintaining the seamless look of your cushion cover.

Adding Decorative Elements (Optional)

  • Piping: Incorporating piping along the seams not only reinforces the structure but also adds a vibrant or contrasting element to your cover. If you’ve opted to include piping, it should have been integrated during the assembly process, contributing to the defined edges and professional appearance of the cover.
  • Buttons or Ties: For covers without zippers, buttons or ties not only secure the cover but also serve as charming decorative features. They offer an additional layer of customization, allowing you to tailor the look of your cushion cover to match your decor.

Step 7: Care and Maintenance

Your newly crafted box cushion cover is a testament to your sewing prowess and a functional addition to your home decor. To ensure its longevity and maintain its condition, proper care and maintenance are essential.

Washing and Care Instructions

  • Fabric Type: Always adhere to the care instructions specific to the fabric you’ve chosen. While some fabrics may be suited for machine washing, others might require dry cleaning to preserve their color and texture.

Removable Covers

  • Ease of Cleaning: Designing your cushion cover to be removable simplifies the cleaning process. Simply remove the cover from the cushion and follow the recommended care instructions to keep it looking fresh and clean.

Regular Maintenance

  • Spot Cleaning: Address minor spills or stains through spot cleaning, using a mild detergent and a damp cloth. This method is effective for maintaining the appearance of your cover between washes.
  • Rotation: Regular rotation of your cushions can prevent uneven wear and help maintain their shape. This practice is especially beneficial for cushions in high-use areas, ensuring they remain comfortable and attractive over time.

Whether you’re updating an old piece of furniture or crafting a new accessory, the skills you’ve developed through this project will serve you well in all your future sewing endeavors. Remember, the key to a successful sewing project lies in patience, precision, and creativity.

For more inspiration and ideas, Cushion Design Inspiration can offer a wealth of creative concepts to spark your imagination. Happy sewing!

FAQs Section

Can I make a box cushion cover without a zipper?

Absolutely! While zippers provide a neat closure, they can be intimidating for beginners. Alternatives like Velcro, buttons, or even envelope closures can be just as effective and often easier to install.

How do I choose the right fabric for my cushion cover?

Selecting the right fabric involves considering both aesthetics and functionality. Upholstery fabrics are a popular choice due to their durability and wide range of styles. For specific projects, a visit to a Fabric Calculator for Cushion Covers can help you determine the best type and amount of fabric needed.

What are the best tips for sewing sharp corners?

Achieving sharp corners requires careful sewing and clipping. Before turning your fabric right side out, clip the corners diagonally, being careful not to cut your stitches. This reduces bulk and allows for a more defined corner.

How can I adjust the size of the cover for different cushions?

Adjusting the size of your cover is a matter of altering the dimensions of your fabric pieces. Always measure your cushion first and add seam allowances to ensure a perfect fit. Remember, it’s better to err on the side of too large rather than too small, as you can always trim excess fabric.

Can I add piping to my box cushion cover?

Adding piping is a fantastic way to give your cushion cover a professional, finished look. Sew the piping along the edges of your top and bottom pieces before attaching the boxing strip. For beginners, Sewing Techniques for Beginners offers great tips on how to incorporate piping into your projects.


Incorporating the detailed steps and practical tips outlined in this guide into your sewing project does more than just help you create a beautiful DIY cushion cover; it also enriches your sewing repertoire with valuable techniques and insights. This process of creating a box cushion cover, from selecting the right fabric to adding the finishing touches, is designed to be accessible and rewarding for sewers of all skill levels. Whether you are a seasoned sewer with years of experience or a beginner just starting to explore the world of sewing, this project offers the opportunity to practice and enhance your skills in measuring, cutting, sewing straight and curved lines, and applying finishing techniques that elevate the quality of your work.