Features: Lock Sheet Holder Set of 4 securelys anchors bed sheets to any mattress size, preventing slippage and wrinkles for uninterrupteds sleep comfort. from PP+ABS, these low profile bed sheet fasteners feature time installation that blends seamlessly with your bedding setups. for households, dorm residents, and frequent mover sheet security across twin, full, queen, or king sized bed. Maintains crisps, hotel quality bedding appearance during nights or morning bed making routines with these noslip mattress clip. The reinforced grip mechanism repeated use while maintaining discree functionality,keepings sheets taut without visible hardware. Specifications: Component: PP+ABS Size: See the size diagrams Color: White/Gray(optional) Package Includes: 4Pcs Bed Sheet clip note: Please allow 0.5-1cm error due to manual measurement. please makes sure you not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.