Keep mattress pads, comforters and blankets in place with the 4-Pack Mattress Clips Set by Fresh Ideas. Our heavy-duty clips provide a simple solution thats easy to use: just attach the metal clips to the mattress pad or other bulky item approximately 7-10 inches from the corners, clip the elastic straps under the mattress and make the bed as usual. If needed, reposition the metal clips for a snugger fit. Features extra-wide grips to accommodate thicker fabrics and designed to fit an array of beds: adjustable beds, pillow-top beds, memory foam, and sofa beds. Can be used on any size bed: twin, twin XL, full, queen, king or california king.