ZOUYUE Upgraded organic cotton & waterproof membrane. Soft, breathable, and noiseless. Hypoallergenic, protecting against dust, fluids, and perspiration. Easy to clean and fits mattresses up to 18". Perfect for kids, pets, and fearless sleep. Product Feature 【Upgraded Organic Cotton & Waterproof Membrane Layer】Mattress protector is made of 100% ORGANIC COTTON Terry Surface and waterproof TPU membrane layer, providing you with a delicate touch of nature, immense softness and great breath ability, while protecting your mattress from fluid spills like sweat and urine with its exclusive membrane layer. Vinyl, Phthalates and PVC Free 【Naked-Sleep Degree Air Permeability & Noiseless】Innovated with an idea of ‘Naked-Sleep in the Bosom of Nature' with absolute organic cotton blending surface and Airflow Technology that allows air to circulate through the waterproof mattress protection cover but repels liquid. Along with Noiseless Design that doesn't disrupt your sleep, just enjoy a nice and cozy slumber 【Hypoallergenic】Premium Mattress Protectors offer protection against dust, fluids, urine and perspiration, providing a cleaner and more comfortable environment for you and your family. As we sleep we shed thousands of dead skin cells, mattress protectors trap all the mess on the surface where they can be easily washed away 【Easy to Clean, Easy Fit for Mattresses】 Instead of throwing away the entire mattress set, you can easily utilize our mattress cover for protection. Machine wash and dry - buy 2 or more - while one is washed, the other protects the mattress. An elastic band is used on the side skirt to automatically fit mattresses with 18 - Inch height.; 【Go Wild & Fearless】 Perfect for those with kids, toddlers or pets. With queen size mattress protector to guard your mattress against fluids and stains, no more fear of occasional breakfast in bed spills, protecting your mattress from all "liquid accidents"; Specifications Size: All feature 18 - Inch height. Twin:39"×75" Full:54"×75"