[One-Time Installation]The bed sheet holders straps don't need to lift or flip the mattress high to get the holders in place. Once in place, sheet straps keep sheets firm and tight. What's more, not a big deal to take the fitted sheet straps off and re-install when washing the sheets. [Hold sheets tight all long]Never worry about messy or wrinkled sheets again. Make your life easier. Our bed sheet fasteners fit with fitted sheet and flat sheet, This bed sheet clips works with all types of bedding and with strong build of these straps and heavy duty pressure plate, your bed sheet will stay in place for a long time and keep your bed always looking great. [Durable & Practical]Bed sheet fasteners is made of sturdy pressure plate with heavy duty elastic bungee cords and chrome metal clips that will grip your bed sheets firm & tight. Built-in plastic clenching system protects fabric from damage. [Smooth, Wrinkle-free bedding]Transform your bedroom into a haven of luxury with crease-free sheets reminiscent of a hotel experience. Our bed sheet holder ensure your sheet remains smooth for enhanced comfort. Colour:White Material:plastic Package Contents: 4 * Bed Sheet Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.