Top surface woven from cotton ring yarn. 100% cotton 57 wire ranforce fabric inner filling 150 gr/m2 1.quality sasa dacron optşk white fiber fillerbottom surface :100% liquid-proof membrane coating. it does not contain polyester, does not smell. it has a membrane-coated bottom surface to provide full liquid proofing. it does not slip under the sheets as it completely wraps the mattress from the bottom. it is resistant to washing at a high level (90°c wash, 134°c autoclave). long lifetime (minimum 900 washes). it is fully elastic and sewn as fitted. please take the exact size of the bed. since the edges of our product are flexible, it completely wraps the bed. it is useful for long-term patients. it can be used for children and adults with bedwetting problems. the product is produced entirely in our own facilities. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.