6 Sides/12 Points Sheet Clips: Crisscross side to side, can be clipped on at 12 points, and holds the sheets firmly in place.^ Easy to use: It is convenient to install and just fasten all 4 corners to the mattress with these flat sheet clips.able to secure the sheets on your mattress tightly without having to worry about them coming loose!^ Durable Clips: The clamp is made of chrome metal, which make it durable, colorfast and can prevent any rust.^ Use them to keep your sheets tight and crisp all night long for greater comfort and just an overall better sleeping experience.^ Professional adjustable design to fit for any kind of bed sheets both King Size, Queen Size, Hospital Beds, Inflatable Beds, Adjustable Beds, Waterbeds, Futons, RVs, and Hide-a Beds.