Turn sheets that nearly fit into sheets that really fitsecure sheets in placesupplied in packs of 4stretch to almost 45cmshortcode tabdescriptionsheet grippers give tired fitted sheets a new lease of life elasticated with clips at each end they attach to the corners of the sheet holding it securely in place so no more wrinkling or riding up and lots more comfortable nights fully adjustable with push button cord locks theyll stretch to almost 45cm to keep sheets snugly in place even over