Dripper Guard Designed of the highest quality soft rubber material for flexibility and UV protected for durability. Dripper Guard uses 3M® premium bonding system for a secure adhesion and an easy do-it-yourself installation. Available in two sizes and colors available fitting thru-hulls up to 2 5/8" and includes a one year limited warranty. PREVENT BOAT HULL STAINS Avoid costly and labor intensive cleaning and ensure your boat stays stain free and looking great with Dripper Guard!