This product is not liquid proof. It's just a mattress protector. We have other products with liquid proof properties. Upper Surface: Polycotton Fabric Inner Filling: 120gr/m2 First Quality Fiber Filling Bottom Surface: 30g/m2 First Quality Interlining Coating It has fitted edges - it is a product that can be completely put on the bed - it does not slip under the duvet cover. It offers excellent protection without compromising your comfort. The product is not in the form of a cover - it has a flexible structure that surrounds your mattress. Therefore, you should choose a product that is the same size as your bed. Sweat etc. It provides protection against small liquids, but is not liquid-tight for larger amounts of liquids. The liquid-proof version of the same product is available in our store. It does not irritate the skin - provides comfortable comfort. Thanks to its air permeability, it does not cause sweating. It does not stain and does not create bad odours. Provides protection against the formation of dust mites and other allergens. Washing Instructions: Chemical substances such as bleach should not be used. It can be washed up to 60 degrees. Do not dry clean or iron. Important Information: Our products will be carefully packaged and sent to you. You will have the advantage because we have our own manufacturing. Before ordering, be sure to measure your bed and place your order. Our products are exactly the same size. You don't need to order a larger size to worry about shrinkage.