The Park Tool VP-1 comes with everything you need to repair a punctured inner tube and get it ready for reinstallation and inflation. Together with the included vulcanizing fluid the butyl patches create a molecular bond with the inner tube resulting in a durable permanent repair for any puncture. The application process is easy: simply spread a thin layer of vulcanizing fluid over the area allow it to dry remove the backing from the patch firmly apply pressure (especially at the edges) and inspect the bond after a minute or two. Compatible with nearly all bicycle inner tubes.Compatible with butyl rubber and latex inner tubesNot compatible with tubeless tire bodies or thermoplastic polyurethane (TPU) inner tubes such as Tubolito or Schwalbe AerothanBox dimensions: 70 x 47.6 x 19 mm (2.75" x 1.875" x 0.75")Box weight: 17 grams (0.6 ounces)