Home-X Sheet Straps. Set of 4 Simple straps hold fitted sheets securely to the corners so they dont pop off  great when worn elastic isnt doing its job. Also use them to convert flat sheets to fitted...or to secure ironing board covers, tablecloths and slipcovers. Also ideal for keeping the ends of blankets in place and for preventing mattress pads from shifting. Polypropylene, PVC and terylene; About 9"L. Home-X is a registered trademark of Simply Home Solutions