This Sun Swimming Pool Repair Liner Kit includes four 48 Sq. Inch Vinyl Patches. The square-shaped patches are suitable for use on both above ground and in ground pools, providing a convenient solution for repairing pool liners. Made of vinyl material, this kit is designed to help fix leaks and tears in pool liners, ensuring the longevity and functionality of your pool. This is a New Old Stock (NOS) item. Shipped with USPS Mail Services.