High quality: It is made of elastic elastic rope and metal clamp, which provide more robust, stronger grip for heavy-duty purposes, without worrying about the clip. Adjustable length: The fastener that can be greatly adjusted provides the tension required, designed for bonding sheets, sofa sleepers, tablecloths, etc. Function Design: High Quality Retoid Belt provides stable and stronger grip for heavy-duty purposes. The sheets of the sheets can be adjusted to let you find the tension required, allow the bed to keep the bed neat, enhance your sleep experience, no longer a loose bed, the built-in plastic clamping system does not damage the fabric. Easy to use: This multi-function bed single fastener is ideal for all types of sheets, mattresses, tablecloths, ironing plate covers and sofa hoods.