Specification Material: Elastic band + metal clip + plastic buckle Size: Width 2.5CM adjustable range 25-40CM Color: White Package included 8 * Bed sheet gripper suspender belt clips < Scope of delivery - 8 pieces of high quality adjustable bed sheet tensioners ideal for duvet covers mattress protectors bedclothes adjustable beds hidden beds camping tablecloths ironing board covers etc. Adjustable and elastic - from 25 cm to 40 cm can meet your different needs such as bed linen mattress toppers tablecloths ironing board covers slip sheets and many more. Keeps the bed sheet in place all night. High Quality Clip Closure - The metal clip grippers are rubberized to keep the fabric intact without damaging the fabric. Easy to install and Use - Without tools just hold the mattress and attach the clip to the edge of the bed sheet.