70% Viscose Made from Bamboo 30% Cotton Waterproof Protection - TPU membrane coating on the reverse side of the top layer effectively repels liquids, preventing any penetration to keep the mattress clean and dry. Soft & Breathable - Ultra-soft bamboo viscose jersey surface boasts moisture-wicking properties, cooler than other fabric. It is thin to retain the original feel of the mattress, ensuring a flawless sleeping experience. Adjustable Bed Friendly - Fits the mattress snugly, staying in place when the mattress is adjusted. there is no padding or quilting—preserving the mattress's original feel while protecting it. Durable & Easy to Clean - Machine washable in cold water and tumble dry on low heat. For uninterrupted protection, it's recommended to buy 2 or more: one protects the mattress while the other is being washed. Size Information - Split King size, there are 2 mattress protectors in 1 package, each measures 39 by 80, With a fitted sheet design and stretchable deep pocket, it accommodates mattresses with up to 18 inches thick perfectly. 70% Viscose Made from Bamboo 30% Cotton Waterproof Protection - TPU membrane coating on the reverse side of the top layer effectively repels liquids, preventing any penetration to keep the mattress clean and dry. Soft & Breathable - Ultra-soft bamboo viscose jersey surface boasts moisture-wicking properties, cooler than other fabric. It is thin to retain the original feel of the mattress, ensuring a flawless sleeping experience. Adjustable Bed Friendly - Fits the mattress snugly, staying in place when the mattress is adjusted. there is no padding or quilting—preserving the mattress's original feel while protecting it. Durable & Easy to Clean - Machine washable in cold water and tumble dry on low heat. For uninterrupted protection, it's recommended to buy 2 or more: one protects the mattress while the other is being washed.