Bed Sheet Fasteners Pack Of 4 By ClickL &ndash; Innovative, L Shaped, Clip & Peg Holders &ndash; Keep The Sheet Taut & In Place &ndash; Easy To Install Grippers &ndash; Hidden From View - Works best for framed beds These top notch under mattress bedsheet grippers can remain hidden from view Just put the clip under the mattress and click the peg over your sheet No need to waste your time making your bed every single time you lie Easily install once and enjoy straight sheets without wrinkles for life These sheet fasteners are ideal for mattresses that are at least 8 inches high and have a frame