Cast Tape McKesson 3 Inch X 12 Foot Fiberglass uses a water-activated resin that lets you control working time according to application needs. High and early strength allows for weight bearing in 20-minutes and provides a durable cast with less chance of breakdown and the need for costly repairs or replacements. McKesson Fiberglass Cast Tape stretches to conform well to contours for a more comfortable better-fitting cast. It is available in various colors and sizes to maximize patient satisfaction. McKesson Fiberglass Cast Tape Features: Lightweight for easy mobility Porous weave allows the skin to breathe Latex free 12 foot (4 yard) rolls Sold by the box of 10 rolls