This Rema Round Tube Patch creates a vulcanized repair on your inner tube without heat. Just buff the damaged part of the tube, apply cold vulcanizing fluid, item number 229712, and apply the patch. This Rema tube patch is designed to flex and stretch with tube. Patch measures 4″-dia. See step-by-step . Pkg. of 10.

Note: Rema tube patches are NOT for use on tires. Store patches at room temperature away from sunlight.