The CleanRest Premium Mattress Protector is the most comfortable and reliable fitted mattress protector you will find - proven by scientific testing. Because of the high breathability of the fabric, the Premium Mattress Protector will provide a cool night's sleep and will protect your mattress from dust mites, spills, perspiration, night-time accidents and normal wear-and-tear. The Protector fits snug and is as noiseless as a fitted sheet, without wrinkles.