Top surface: 100% cotton 57 wire ranfors fabric internal filling: 120gr/m² 1st quality fiber filling bottom surface: 100% water & liquid proof 1st quality membrane coating side: cotton-polyester mixed pampes fabric fully passable full edge with elasticated edges the mattresses do not slip under the duvet cover and offer excellent protection without interrupting your comfort. the product is not in the form of a cover, it is in a flexible structure that surrounds your mattress. for this reason, you should choose the same size product as your bed when ordering. if you do not want to use the product for many years and have no shrinkage problems, wash it at as low a temperature as possible. although the highest recommended temperature is 60 degrees, it has been proven in the r&d tests that the life of the product is extended if it is washed at 40 degrees. dimensions : ( width x length x height ) waterproof baby mattress undersheet dimensions : 70x140x30cm water liquidproof single mattress dimensions : 90x190x30cm / 100x200x30cm / 120x200x30cm waterproof double mattress dimensions : 140x200x35cm / 150x200x35cm / 150x200x35cm / 160x200x35cm : 180x200x35cm / 200x200x35cm product features thanks to its cotton feature, it keeps you cool in hot weather. allows you to warm up in cold weather in winter. the membrane surface, which is in contact with the mattress surface, not only protects your mattress against water and all kinds of liquids, but also prevents the formation of sounds such as rustling. it does not irritate the skin and offers a comfortable comfort. it does not sweat thanks to its air permeability. it does not create a bad smell. it is urine and pee-proof. it provides protection against the formation of dust mites and other allergens. areas of use ideal for people who have night sweating problems. non-sweating underclothes are the most sought-after feature in liquid-proof undercloths and our products do not sweat as they are manufactured from first quality materials. they are useful for long-term inpatients. it is the most preferred and recommended liquid-proof undercoat model for those looking for urine and pee-proof underclothes. you can have information about the quality of the products by examining the comments of those who use liquid-proof underclothes. how to wash suvay alez? chemicals such as bleach should not be used. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.