Product details fabric type: 100% microfiber bottom surface: 100% liquid proof polyurethane membrane coating our product fits your mattress perfectly with its stretchable flex elastics so that it does not slip under your sheets and duvet cover. with its 100% liquid proof feature, it fully protects your mattress, thus extending the life of your mattress, increasing your sleep quality and it offers you the comfort you need throughout the night. liquid-proof mattress protectors that every bed needs are ideal for long-term inpatients, babies in toilet training period, children or adults with wetting problems, pet owners. our product is european quality and health standard. it has the oeko-tex standard 100 certificate. notice: we recommend that you check your mattress dimensions before ordering. there is no shrinkage problem after washing. provides ease of use. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.