Seal leaking pipes & hoses with the BOSTON Silicone Self-fusing Tape. Silicone tape can be used to create a waterproof & airtight seal – ideal for emergency situations, it can be wrapped around pipes to immediately stop dripping. Multi-use, it can also be used to add a comfortable grip to tools, by wrapping the self-fusing tape to the handle. Black silicone to hide dirt and grime or to match with black fittings.