Heavy Duty & Anti-Slip Design: Made from ABS+PC material, these grippers provide a strong, non-slip grip to keep sheets secure all night long, even on thick mattresses. Easy Install & Reusable: No tools or complicated setup needed! Simply insert the elastic straps into the slots for a quick, hassle-free installation. Reusable for daily convenience. for All Mattresses: The expanded, widened design with open corners ensures a snug fit on single, double, queen, and -size beds, eliminating gaps and wrinkles. Versatile & Multipurpose: Securely holds fitted sheets, mattress pads, and waterproof covers. Ideal for busy households, parents, or anyone tired of loose sheets. Thoughtful Gift Idea: Improve sleep quality with this practical solution, making it a for friends and family who appreciate a neat and comfortable bed. Colour:Gray Material:Plastic Package Contents: 4 * Bed Sheet Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.