How to Make a Cute DIY Box Bag That Looks Like a Mini Caramel

11 Materials
3 Hours

Get ready for an amazing DIY box bag sewing tutorial! I’ll show you how to make a fabric box bag with this easy-to-follow, step-by-step tutorial! These bags are so cute, and the process of making one is pretty fun! Let’s begin!

Tools and materials:

  • 3 different fabrics (different prints)
  • Interfacing
  • Measuring tape
  • Pins
  • Sewing machine
  • Matching thread
  • Zipper
  • Scissors
  • Iron
  • Marker
  • Ruler
Box bag sewing pattern

1. Cut the pattern pieces

Measure and cut the following pieces;

  • Two 8.66 x 2.36”
  • Three 8.66 x 4.33”
  • Two 2.36 x 7.87”
  • Two 8.66 x 7.68”

I used fabrics with different fabrics to create a caramel-like effect. Also, you’ll need a 7.87” zipper. 

Assembling the base for the bag

2. Assemble the base and straps

Take the three 8.66 x 4.33” pieces and sew them together to make one big base piece.

Pin one piece’s edge to the middle piece and do the same for the other. These are right sides facing. Stitch with a 0.4” seam allowance on both sides. 

Pressing open the seams

Press open the seams. 

Pressing the straps in half

Fold the two 2.36 x 7.87” pieces in half and press. 

Pressing the edges of the strip

Open the strip and fold in ¼ lengthwise, and press. Repeat the same on the other edge. 

Pressing the strip in half again

Fold the whole strip in half and press. 

Sewing the straps

Topstitch the long sides with a 0.08” seam allowance. 

Measuring the placement of the straps

Measure the center point of your base piece. Then, measure 1.97” in the center. 

Pinning the straps to the bag

Place one end of the strap on the outer point and the other on the opposite outer point. Fold your strap neatly, as shown. 

Sewing the straps

Stitch the straps with a 0.12” seam allowance. 

Attaching the extension pieces

3. Attach the extensions

Pin the two 8.66 x 2.36” pieces on either side of the base, where the handles are located. Ensure both pieces are right sides facing. 

Sewing the extension pieces

Stitch each side with a 0.4” seam allowance. 

Pressing the seams to the center

Press the seams toward the center. 

Ironing the interfacing

4. Attach interfacing

Next, attach a fusible fleece interfacing. The whole piece should measure 13.78” x 7.87”. Place it right in the center and press. 

Topstitching the seams

Topstitch each seam on the right side of the fabric. 

Sewing the facing

5. Stitch the facing

Take the two 8.66 x 7.68” pieces and place them right sides together. Pin the top and make marks as an indication for the opening. 

Leaving a gap unsewn

Stitch along the top pinned edge with a 0.4” seam allowance but do not stitch between the markings. 

Pressing the seams outwards

Fold the seams outward on either side. 

Snipping the zipper

6. Attach the zipper

Fold the zipper in half and snip the sides. These are your center notches. 

Marking the center of the bag

Find the center of either side of the bag and mark. 

Marking the center of the zipper

Match the center mark to the center of the zipper and pin. The zipper’s right side must be inward. Stitch with a 0.4” seam allowance. 

Marking the center of the facing

Find the center of the facing. 

Aligning the zipper and the fabric

Align it to the zipper’s notch and pin the top edge. Take note that both the facing and main fabric must be right sides facing. 

Stitch all layers with a 0.4” seam allowance. 

Topstitching the zipper

Flip over the facing to the other side. You should now have the zipper exposed. Topstitch the zipper’s seam on the right side of the bag. 

How to make a fabric box bag

Aligning the zipper edge

Align the other edge of the zipper to the bag’s edge. Do this by opening the facing to one side and lifting the zipper to the edge. 

Pinning the stitching the edge

Pin the edge and stitch across with a 0.4” seam allowance.

Sewing a box bag

Lift the facing’s tail up to the edge and align the center. Pin down and stitch. 

Turning the bag right sides out

Turn the bag right sides out so that the facing is inside. 

Opening the bag

Open the bag and topstitch the zipper’s seam on the right side of the fabric. 

Snipping the corners

7. Snip the corners

Turn the bag wrong sides out and snip the folded corners. 

Folding the sides inwards

Fold both sides of the bag inward so that the center bottom aligns with the zipper. 

Snipping the corners

Snip the corners. These will be your notches for the next step. 

Matching the notches

Fold the fabric from the corner inward and match the notch to the center. 

Exposing the seam

Then fold that back to expose the seam. 

DIY box bag tutorial

Do the same for the other side. 

Folding again to the expose the seam

Fold the fabric backward to expose the seam. 

Making a DIY box bag

Turn the piece around and repeat.

Accordion folds

You should now have accordion-like folds. 

Pinning the folds together

Pin the sides and stitch with a 0.4” allowance. 

Trimming the excess fabric

Cut out the excess from the sides. 

Turning the bag inside out

Turn the bag inside out from the facing’s gap. 

Blind-stitching the gap closed

Blind stitch the gap closed. 

Turning the bag inside out

Open the zipper and turn the bag inside out. 

DIY box bag from the front

DIY box bag from the side

DIY box bag from the top

DIY box bag tutorial

Your DIY box bag is complete! I think it’s so cute. I hope you enjoyed this tutorial on how to sew a box bag. Let me know your thoughts in the comments. Have fun! 

Suggested materials:
  • 3 different fabrics (different prints)
  • Interfacing
  • Measuring tape
See all materials

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