Sleep comfort and mattress protection is yours with the Cool-Tech advanced king mattress protector. With significantly more cooling material than competitive products, you can actually FEEL the difference. Its high performance fabric will keep you cool as you sleep and provide a barrier against dust mites and allergens. Your mattress investment will be protected from stains and spills—a win for maintaining a fresh, clean mattress.Made of polyethylene and performance fabric | King mattress protector | Air pockets for temperature regulation | CoolTech: high performance cooling fabric and breathable construction help to dissipate heat | Protects mattress from stains and spills | Provides a barrier to dust mites and allergens | 2-year warranty