【100% Waterproof & Breathable 】Our mattress protector has an impermeable TPU backing that protects your expensive mattress. Mattress cover protects against fluids, perspiration, urine, liquids, and stains, especially suitable for those with kids, pets, or elderly. Mattress protector top side is made from 3D air breathable fabric which allows body heat and air to flow through, keeping your mattress cool and drY