Velcro Industrial Strength Sticky-Back Hook and Loop Fastener Strips, 4 x 2, Black50% stronger than standard hook and loop fasteners. 2-inch width offers firmer positioning and waterproof adhesion, even when submerged. Sticks to most surfaces, including plastic. Excellent for indoor or outdoor use. Hook and Loop Fastener Type: Cut Strip; Tape Pad Size: 2" x 4"; Color(s): Black.