MADE OUT OF A SPECIALITY EPOXY PUTTY THAT MIXES IN JUST ONE MINUTE FOR PERMANENT REPAIRS TO DAMP AREAS. MAY BE APPLIED UNDERWATER IN FRESH OR SALT WATER. AN AMAZING SURF-SAVER!3.5” Hand mixable Epoxy Putty Stik. Dries white after mixed. Super strong and can be used on wet surfaces.Also Includes:4 Alcohol Wipes, to clean fingers2-Grade Sanding Pad3 Applicator Sticks