Bamboo Viscose Rayon 100% WATERPROOF: Our crib mattress protector provides a premium TPU membrane. It provides complete waterproof protection to prevent bedwetting, sweat, and any liquids from your mattress. Keep your mattress fresh and clean, guarding your baby for a better night's sleep. COMFORT & BREATHABLE: Made of natural bamboo viscose rayon surface and soft cotton filling inside. The waterproof crib mattress protector is thick enough to support the baby's body. The bamboo viscose fabric has a great level of softness and breathability, which made high absorbency to eliminate heat and moisture. DURABLE QUILTED DESIGN: Upgrade 4-layer design crib mattress cover. It enhances softness and durability to ensure long-lasting use. The mattress cover for crib won't make crinkle-like noises and plastic sound no matter how the baby moves. Your little angel can enjoy a peaceful and quiet dream every day without interruption. FITTED SHEETS STYLE: Measures 52" x 28". This crib mattress pad is suitable for standard crib mattresses. Deep pockets fit up to 11 inches. Stretchable skirt and elastic sides fit the mattress perfectly and snugly, which prevents the cover from sliding and shifting. OEKO-TEX certificated is worth every mom's to choose. EASY TO CLEAN UP: Machine washable and dryable toddler mattress cover. Wash with cold water and under gentle cycle, tumble dry at low heat avoid damage waterproof TPU layer. Please feel free to try our product, Ruili offers 90 days refund service without question asked. Every baby is unique, we need to give the baby unique love. Ruili's waterproof crib mattress pad is like a warm mother's embrace on the baby bed. This crib mattress protector has a durable 4-layer design. The quilted surface is made of organic Viscose, which is natural and breathable. The rich cotton filling improves the softness and comfort, building a supportive layer for your baby. The premium waterproof TPU membrane keeps liquid, urine, milk away from the mattress while being noiseless to guard your baby's sleep. The mattress pad has high absorbency. The extra basic layer improves the durability of our mattress pad, and the high-quality waterproof backing prevents leaking damage to the mattress. The deep pockets are suitable for standard crib mattresses and the stretchable elastic skirt makes the installation easier and firmly grasp the mattress. The crib mattress cover will not move around when the baby rolls over on the bed. For this product, we offer one pack and two pack choices for you to choose from. Two-pack is a more economical and efficient option. You can replace the dirty one in time when an accident occurs at night, giving the baby 24-hour care. The toddler mattress cover is easy to clean, machine washable, and dryable. Please follow these instructions: wash with cold water and tumble dry at low temperatures to extend its life. Avoid washing with sharp objects like knives, pens, etc. If you have any questions, you are more than welcome to contact us. We will reply within 24 hours and help you to solve them.