This glue is a water-based glue or adhesive for the rubbers on table tennis rackets. INSTRUCTIONS: 1. Professional paint base suggest paint about 4-10 times on sponge, every time use hot wind to blow-dry racket paint per layer. 2. Paint 1 time on sponge and racket, dry by hot wind and then glue, needs about 1 minute to dry.Haiyifan