The Rema TT02 Touring Puncture Repair Kit are probably the most effective permanent puncture repair kit in the world. The patches have double scalloped edges to ensure excellent bonding and 100% vulcanisation. Rema TT02 Touring Puncture Repair Kit Features Patches have double scalloped edges to ensure excellent bonding and 100% vulcanisation Feathered edges ensure a smooth repair surface and prevent a bump or bulge being created when the tube is inflated Unsurpassed quality and reliable patches developed from high speed and industrial applications Kit includes four 25 mm diameter and one 50 x 25 mm tube patches, vulcanising solution, valve tube and emery paper Full set of easy to follow instructions