A tight bed We made those bed sheet grippers to keep your bed sheets well tight. Don't worry, the triangle bed sheet gripper works with all types of bed sheets, fitted sheets, flat sheets or mattress pads. Furthermore the set contains 4 triangle bed sheet grippers, one for each bed corner which keep your bed sheet from sliding off the corners. Adjustable We made them adjustable so it allows you have the tension you desired depending on your bed sheet and bed size. It will keep the corners in place no more worries about messy beds. High quality materials We made them with a triangle design which avoids the elastic to slide all the time. We made them from durable elastic and nickel plated clamps which are strong but will not damage your bed sheets. Specifications Pack of 4 Material: nylon and nickel plated clamps Dimension: 4inch adjustable Design: Triangle Package contains 1x CoZroom Triangle Bed Sheet Grippers with Metal Clips Set of 4