Polyolefin cover material is better for the environment when produced and disposed. Guaranteed not to split or tear for three years. Non-stick cover has clear overlay. Locking Slant-D shape rings with GelTab triggers. 55% recycled; 52% PCW. Available in White or Black. 1"-12/bx., 2"-12/bx., 3"-6/bx., 4"-6/bx., 5"-2/bx.