Ding All’s Original SUPER Polyester Resin Repair Kit was born in 1987 is still the best & most popular for most larger Polyester ding repairs!This kit contains Ultra Clear, Non-Yellowing, 250A Silmar Sanding resin used inmost polyester surfboard construction, and a liquid hardener. The kit comes complete with the following materials to allow an easy method for Medium to Large surfboard repairs.Kit Includes:x1 - 4oz. Sanding Resin Plus Hardener- 60 minute cure time at 77 degrees F.x1 - Fiberglass Cloth Pack (6” x 27”)x2 - 2 Sided Sanding Pad ( 1 x 80 grit and 1 x 120 grit)x2 - Measuring Cups (Can be re-used by popping out hardened resin)x6 - Mixing Sticks/Applicatorsx1 - Q-Cell White Filler Pack (For filling larger voids in foam)Bonus - Sun Cure 1 oz. Mini Fiberfill Tubex2 - Cover Sheets (To be used with the SunCure Fiberfill resin)Easy Instructions