The instant repair for all makes of Rib's, inflatables and liferafts. The patented 'ClamSeal' is a compact safety device, which can be quickly inserted into any tear in a tube or fabric floor up to 90mm [3.5 inches]. Hand tighten the nut is all that is needed before reinflating the tube for an instant repair above or below the waterline. Giving you ample time before a permanent repair can be carried out