Onewind Outdoors Repair Patches provides a simple and easy method of patching holes and tears quickly on your tarps and almost any outdoor and camping gear. Precut into 7 x 7cm round patches that are made from TPU which is flexible, versatile, and water-resistant making it the perfect solution for repairing worn-out, torn, or leaking camping gears. 
 
Please note the above wording is lifted from Onewind's website.