Clip'n'Sleep - Bed Sheets Clips Grippers Fasteners Suspenders Elastic Adjustable (Full/Twin) BED SIZE: 90x203cm (38"x80") to 120x203cm (54"x80") Adjustable, flexible and resistant Holds your sheets firmly without damaging them 2 rubber fasteners and 2 elastics at each end For all mattress types and thicknesses