Texas Knifemakers Supply Kydex Knife/Gun Holster Material - Assorted Colors Kydex is an acrylic/PVC compound that is ideal for making sheaths, holsters, and belt clips Does not stain, shrink, rot, or lose its color or shape. Dimensions are 0.080" x 12" x 12" Use a heat gun (or even a hair dryer) to shape it how you want it Don't forget to order your eyelets, rivets, or Chigago screws!