The Park VP-1 Vulcanizing Patch Kit includes six thin and flexible patches with tapered edges to blend with the tube's profile. Packaged in a compact plastic box with sandpaper and instructions, perfect for your saddle bag or a jersey pocket. Features: Four round patches, 25 mm in diameter, for smaller holes Two oval patches, 25 mm x 35 mm, for wider cuts Self-vulcanizing fluid bonds the patch to the tube at the molecular level