A tight bed Those bed sheet fastener are made 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 fastener, one for each bed corner which keep your bed sheet from sliding off the corners.Adjustable Adjustable feature allows you to 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 Triangle design avoids the elastic to slide all the time.Durable elastic and nickel plated clamps which are strong but will not damage your bed sheets.Specifications Material: nylon and nickel plated clamps Design: Triangle Package contains 1x CoZroom Triangle Bed Sheet Fastener