Hypalon fabric patch with 'fabric impression' finish for professional repairs to Rib tube and collars manufactured from fabric impression finish Hypalon - Size 37cm x 15cm Use 1-part Hypalon adhesive for temporary repairs and 2-part for permanent repairs (recommended) Available in a Black or Military Grey. For help and advice on repair of inflatables, identifying if your inflatable is made of Hypalon or PVC? finding a leak in dinghy etc - see http://www.ribstore.co.uk/advice-and-information.php