Angelina One Size Fits Most No-Show Liner Socks with No-Slip Heel (12-Pack) Features diamond knit design Silicone heel-grip to minimize slipping Lightweight construction to fit comfortably in any shoe 90% Nylon, 10% Spandex Hand wash, line dry. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!