Set of 8 Bed Sheet Grippers with Plastic Clasps Garter Style Will Also Fit Ironing Board Covers (Manufactured By Dependable) Set of 8 Sheet Gripper Fasteners Can Also Be Used to Fasten Ironing Board Covers Holds Sheets Firmly on Mattress Even Works On Air Mattress and Adjustable Beds Will Fit all Size Sheets, Twin Full Queen King