[Goodbye loose sheets]- Enjoy a clean and tidy bed by using our bed sheet holder! It can keep your bed sheets in place whether you are using fitted or flat sheets, it even settles your cotton mattress topper. No more bed adjustments in the busy mornings! [One-Time Installation]- No more frequent re-installations! Our lock sheet holders only requires a one-time setup, no bed sheet clips needed! It is a one person job, very easy to install, do not have to lift the whole mattress up. Leave it once the sheet holders are in place until time you change the bed sheet. [Neat and stylish]- The mattress sheet holder is a universal type, works with all sizes of bed. Also the sheet corner holder' straps are transparent so it can hide perfectly between the bed sheet. The lock holders give you secure bed sheets and not disturb the style of the rooms [ for family and friends]- Sleeping quality is important! The sheet holders guard your sleep through every toss and turn. a comfortable and sound sleep every . It is the and friends Color: Grey Material: ABS Package Contents: 4 x Lock Sheet Holders 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.