Main Features: Born to Keep You out of Trouble: The Super Waterproof Mattress Protector is 100% waterproof and blocks every drop of water. Waterproof thickness: 20μm; Waterproof life: over 500 washes: over 500 washes. Safety Material, Safety First: Made of 40% Bamboo Charcoal + 60% Polyester Fiber (Vinyl and Benzene Free). Breathable to Dissipate Heat and Let The Air Communicate: Advanced 3D air mesh design allows air to circulate freely, preventing overheating when sleeping directly on it. Reslience and Durablity: Blended polyester fibers outperform cotton terry, vinyl, or other common materials in terms of resilience and strength, and can withstand tearing, pulling, or rolling over decades of daily use. Specifications: Color: Classic White Fabric Type: 60% Polyester+ 40% Viscose from Bamboo Size: Twin Closure Type: Pull On Product Care Instructions: Machine Wash Water Resistance Level: Waterproof Age Range (Description): For All Age Material Type: Polyester, Rayon 200% Waterproof - prevent sweat, fluids, urine and other accidental spills. Certified to STANDARD 100 by OEKO-TEX. Skin-friendly, 0-Vinyl & 0-benzene, best choice for baby. Breathable bamboo cooling surface - cool & comfortable the whole night. Noiseless - without making rustling or noise to disturb your sleep.