Repeated Machine-washable , no damage to TPU waterproof side ,fits up to 14\" 100% waterproof, quiet and breathable, hypoallergenic cotton terry cloth surface With TPU waterproof membrane Backside With hi-tech ,protects against allergens, dust mites, bacteria, perspiration, urine and fluids It\'s easy to cover the mattress with 360°fitted sheet design, High stretch mesh fabric edge ,adapt to different heights of the mattress with good extensibility, it can stretch 20-30 cm. Skin-friendly luxury cotton soft waterproof material, Good for kids ,Pets, pregnant ,elders Incontinence