【Wide Compatibility】: The bed sheet holder straps fit various sheets, can be used on bed sheets, sofa cushions, mattress protectors, tablecloth covers, chair/car/motorcycle seat covers, ironing board covers and more. 【Easy to Use】: Easy to put on and keep sheets in place and more fixing sheets, adjustable length allows for desired tension; wider elastic provides a stable and stronger grip for heavy duty use; fitted bed sheet and mattress cover fastening system. 【Adjustable Length】: 4 pack triangular fitted sheet clips made with durable elastic bands and the unique cord lock to allow for desired tension. The upgraded built-in nylon "clips" and nickel-plated clips keep sheets firmly in place. Durable and Practical: The bed sheet clips are made of sturdy metal clips and sturdy elastic cords that grip your bed sheets firmly and will not break easily.