Stormsure/Sugru Self-setting rubber, Black, 8 mini packs (8x5 grams) with Free Stormsure Clear 5g tube Sugru is Self-setting rubber, formed by hand and cures at room temperature overnight. Use Sugru like modeling clay to repair, modify or form almost anything. Sugru is Waterproof, UV resistant, electrically insulating and dishwasher proof when cured Stormsure Flexible Repair Adhesive is perfect for repairing items of virtually all flexible material like Neoprene, Rubber, Leather, PVC, PU, Breathable materials and Coated fabrics