This repair kit includes heavy duty 1000 denier reinforced vinyl coated fabric strips with Vinyl Pool Repair Kit. Repair Kit Includes: (2) 9.5cm x 20cm vinyl sheets; 1 fl oz. (30ml) tube of vinyl cement; Recommended age 14+ Application instructions: Clean and dry the repair area thoroughly. Cut the vinyl material to the desired patch size. Apply adhesive to the back of the patch. Press the patch firmly on the repair area and hold temporarily. For best results, apply weight to the patch and allow 24 hours to reach full bond strength. Works under water.