You've made a costly but wise investment in your mattress, one you want to protect for years to come. The GhostBed mattress protector will keep the mattress, clean, dry from spills or accidents and looking fresh and new. The GhostBed mattress protector has the patented GhostGrip technology, so it will stay on your mattress properly and never pops off. Made with 30% cotton, it is soft and supple and moves with both you and the mattress. It is made using patented moisture wicking and cooling technology fabric, there's no plastic liner or coating to heat you up or crackle when you move.