Stops water intrusion in seconds and seals leaks in cases of need. Immediately ready for use on all materials. Also usable under water. Wax/fatty sealant that is immediatly ready for use in emergency situations on board such as a water leakage and seals leakages. The sealant is apllied directy to the damaged area by hand or pressed into the hole in an emergency. The inflowing water does not affect the adherence and the immediate sealing effect. Adhesive on many substrates. Every yacht should have LEAK HERO on board for emergency cases. Content: 625 ml.