High-quality material: Made of high-quality nylon elastic rope, it is adjustable in tightness, not easy to deform, and very convenient to use. The four-corner metal fasteners are electroplated and not easy to rust. The clips are polished and smooth and will not damage the sheets. Superior stability: The triangular design provides superior stability, allowing your sheets to say goodbye to dirt and wrinkles, always stay stretched, and the tie will not fall off at will until you manually remove it when changing the sheets Easy to use: This sheet accessory is easy to use, just check the metal clips at the four corners of the sheets to straighten the sheets and avoid ugly wrinkles on the sheets, no tools are required, it is very simple and quick to use Adjustable length: The sheet clip is 160 cm long and can be stretched to 250 cm, suitable for most sheets. The sheet fastener can keep the sheets tight for a long time, always keep the bed beautiful, no longer worry about messy or wrinkled sheets, making your life easier. Multiple uses: You will receive 2 black clothespins. Perfect for mattresses, sheets, air mattresses, foam mattresses, and can also be used for tablecloths, chair covers, barbecue covers, car/boat/motorcycle covers, etc. Very versatile