Each kit contains two 8" x 8" Quick Roof Extreme Patches, two alcohol cleaning wipes, and one plastic applicator.The Quick Roof Extreme Patch Kit is a must have item for every RV tool box. Each convenient kit will permanently repair two 8" x 8" areas and will immediately stop leaks in EPDM Rubber, TPO, Metal, Fiberglass, Vinyl, and Aged and Rigid PVC. Quick Roof Extreme has a 15 year warranty and is guaranteed to never crack, harden or shrink.