Amazon.com : Plastic Vinyl Strip for DIY Dog or Cat Door - Doggie Door Replacement Strips, Doghouse or Kennel Door Flap, Pet Products and Supplies : Pet Supplies
Colored Vinyl Tape - TapeJungle.com
Vinyl Strip Roll
PVC Vinyl Strip Curtain Door Bulk Roll - 12" x .216 Clear Scratch Guard Ribbed PVC Material - 75' Roll: Amazon.com: Industrial & Scientific