The Oase PVC Pond Liner Repair Kit consists of 75g high performance underwater adhesive and a 20 x 40cm PVC pond liner repair patch. For bonding to occur the temperature must be at least 5C, however bonding is significantly improved at temperatures above 10C. High-performance underwater glue Harmless to fish and plants Pond liner patch 20 x 40cm Processing temperature 5C to +30C Durability: 2 years