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Make a sustainable and fully customizable car trash bag!

In this easy sewing tutorial, we’ll show you how to make a reusable car trash bag using our  VELCRO® Brand Sew On Tape.

Perfect for keeping your car clean, this DIY sustainable trash bag can be washed and reused time after time. Perfect for long car rides or even short ones, this bin can hold all of your trash while keeping your car clutter-free!

How to make a DIY sustainable car trash bag

What You’ll Need:

opening: Car Trash Bag

  • (1) 10″ x 20″ piece of fabric for the exterior
  • (2) 10″ x 10″ coated cotton or other water-resistant fabric for the lining
  • (2) 3″ x 10″ fabric for the strap
  • (2) 6″ x 8″ fabric for the lid (one piece out of lining fabric and one piece out of exterior material)
  • (1) 10″ x 20″ medium or heavy-weight interfacing (iron-on or sew-in) fabric
  • Thread
  • A ruler
  • Scissors
  • Pins or clips
  • A sewing machine and thread
  • VELCRO® Brand Sew on Fasteners
  • A pen or marker
  • A self-healing cutting mat
  • A rotary cutter

What to do:


  1. First, take your strap fabric and lay the piece on an ironing board. Fold it in half.

step 1: Car Trash Bag

  1. Open the fabric back up and fold the edges to meet the visible crease.

step 2: Car Trash Bag

  1. Then fold along the crease again, pin and iron.

step 3: Car Trash Bag

  1. Sew a 1/8-inch seam down both sides.

step 4: Car Trash Bag

  1. To make your second strap, repeat steps 1-4.



  1. To make the lid, lay both fabric pieces down on your workspace, right sides facing each other. Pin or clip together. (*OPTIONAL* to round the corners of the lid, fold the fabric in half width wise so the bottom corners meet. Then round the corners using scissors.)

step 6: Car Trash Bag

step 6 optional 1: Car Trash Bag

step 6 optional 2: Car Trash Bag

  1. Sew a 1/4-inch seam around the edges, leaving only a small gap in the middle of one of the long sides of the fabric to turn out.

step 7: Car Trash Bag

  1. Turn out the lid and set aside.

step 8: Car Trash Bag

Exterior Bag

  1. Start the bag by ironing the interfacing to the back of your 10″ x 20″ exterior fabric.

step 9: Car Trash Bag

  1. Then, fold the fabric in half right-sides facing, and pin or clip together.

step 10: Car Trash Bag

  1. Sew a 1/2-inch seam down both sides.

step 11: Car Trash Bag

  1. To create a flat bottom or box corners, place your hand inside your bag and find the bottom side seams. Flatten out the sides of the bag so the bottom hem forms a triangle. Try to make the triangles as symmetrical as possible.

step 12a: Car Trash Bag

step 12b: Car Trash Bag

  1. Measure two inches down from the top of the triangle and draw a line across.

step 13: Car Trash Bag

  1. Sew across those lines.

step 14: Car Trash Bag

  1. Cut each corner off above the seam.

step 15: Car Trash Bag

Bag Lining

  1. To create the lining, clip the 10″ x 10″ fabric together, right sides facing.

step 16: Car Trash Bag

  1. Sew a half-inch seam down the sides and the bottom of the bag, leaving a three-inch opening at the bottom-center hem to turn out later.

step 17: Car Trash Bag

  1. Repeat steps 9-11 to box the corners of the lining.

step 18: Car Trash Bag

step 18b: Car Trash Bag


  1. Now it’s time to see your masterpiece come together! Begin by clipping the lid in the middle of one of the wider sides of the bag, right sides facing.

step 19-20: Car Trash Bag

  1. Place the straps on either side of the lid. Clip in place.

step 20b: Car Trash Bag

  1. You’re almost there! Sew the straps and lid to the bag. Go over them a few times for a studier hold.

step 21: Car Trash Bag

  1. Turn the exterior inside out, and neatly tuck the lining inside the bag, right sides facing. Make sure the exterior’s side seams and lining fabric are aligned. The straps and the lid should be tucked between these two layers.

step 22a: Car Trash Bag

step 22b: Car Trash Bag

  1. Sew a 1/4-inch seam around the top of the bag to join the exterior and lining together.

step 23: Car Trash Bag

  1. Turn the bag inside out, using the open seam at the bottom of the lining.

step 24a: Car Trash Bag

step 24b: Car Trash Bag

  1. Sew up the hole in the lining

step 25a: Car Trash Bag

step 25b: Car Trash Bag

  1. Apply VELCRO® Brand Sew on fasteners to the lid as a closure.

step 26: Car Trash Bag

  1. Apply loop side of Apply VELCRO® Brand Sew on fasteners to one strap and apply the hook side to the other strap, so they overlap.

step 27: Car Trash Bag

Your DIY trash bag is finished! Now it’s time to admire your handiwork! Hang the trash bag over the backseat or even through the center console!

If you’d like to try this sewing tutorial yourself, pick up a pack of VELCRO® Brand Sew On Fasteners here. And for more easy sewing projects, stay on our blog!

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