Sentinel ME is a unique product, with fluid repelling surface which provides Impenetrable barrier to all dust, pet, stains, bacteria, moistures –including incontinence and sweat. It also has Thermoplastic Polyurethane (TPU) inner layer which provides Water proof layer for extra barrier from body moisture such as urine and sweat. Fabric allows vapors to easily breath through the encasement and is designed for extra comfort and absorbency. It also It provides soft sleeping surface, clean and hygienic environment for all ages. It has a unique velcro lock zipper, that completely cover the zipper closure/opening to keep out pests from encasement including bedbugs, dust mites and pet dander. The encasement thickness is 25 cm. it’s a Knitted Stretch fabric and can easily accommodate up to 35 cm thick mattress.