One size Fits for bike tire 12" 16" 18" 20" 24" 26" 27.5" 29", Comes in one pair, for two tires.
LxW: 2300x38mm, Thickness: 1mm
Made by high quality Polyurethane, light weight and wear resistant.
Easy to install, just measure and trim it, you can stop the thorns, glass, thorns, nails and other trail debris from penetrating through and puncturing the tube.