3M Felt Splint, 3" x 15 ft Roll, 1 rl/bx, 2 bx/cs (Continental US+HI Only)Roll Splint, 3 x 15 ft Features The splinting material is made of layered fiberglass and is pre padded with our patented water repellent felt This splint is packaged in a unique, self sealing system that minimizes waste, enhances productivity and gives the clinician the ability to cut the splint to the length needed Double sided felt helps eliminate the risk of wrong side application, while providing padding and protection for the patients injury.