Barton ClamSeal! A Fast Glue-less Repair for Inflatable's. The instant repair for all makes of Rib's, inflatables and life rafts. 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 tightening the nut is all that is needed before re-inflating the tube for an instant repair above or below the waterline.