Keep your bed sheets in position - one set has four straps on one circle, on which you can adjust the directions Adjustable length- Four straps are adjustable. so you can hold four directions tightly The bedding holder clip are fitted for any bed sheet both King Size, Queen Size, Hospital Beds, Inflatable Beds< High quality - Built with durable elastic, nickel plated clamps with fabric protector Easily attach - Attach this suspender to your bed sheet using the clamps. Alibaba.com offers 1,631 adjustable bed sheets products. About 24% of these are 100% polyester fabric, 3% are bedding set, and 2% are sheet. A wide variety of adjustable bed sheets options are available to you, such as home, hotel, and wedding. Shop for king sheets for adjustable beds at Bed Bath & Beyond. Buy top selling products like Therapedic® 450-Thread Count Sheet Set and Reverie Solid 300-Thread-Count Tencel® Sheet Set in White. Hi mlwlouky59, If you have a fitted sheet that has a pocket depth that is at least 2" or more deeper than the thickness of your mattress and especially if your sheets have elastic all around the outside perimeter of the sheets instead of just the corners then you shouldn't have any problem with the sheets popping off when you incline your adjustable bed.