Ding All's ORIGINAL repair kit born in 1985. Still the Standard for most Polyester Dingrepairs, this kit contains Ultra Clear, Non-Yellowing, Silmar Polyester Sanding Resin (250A), used in most polyester surfboard construction, and a liquid hardener.This kit is an easy method for small to medium surfboard repairs! Kit Includes:x1 - 2oz. Sanding Resin Plus Hardener - 60 minute cure time at 77 degrees F.x1 - 6” x 13” - 4 oz. Lightweight Fiberglass Clothx1 - 2 Sided Sanding Pad ( 1 x 80 grit and 1 x 120 grit)x1 - Measuring Cup (Can be re-used by popping out hardened resin)x3 - Mixing/Applicator Sticksx1 - Clear Mylar Cover Sheet - Cover over small dings, peel off when hard.Easy application instructions.* 2 oz. (56 ml)