Upper surface: 100% Polyester Fabric Lower surface: Consists of 100% liquid-proof polyurethane membrane coating. Our product fits perfectly on your bed thanks to its flexible special elastics, so it does not slip under your sheets and duvet covers. Thanks to its liquid-proof and stain-proof structure, it protects your bed against external factors and stain formations. It has an air permeable structure with its breathable micro pores and healthy components, thus protecting your health and your mattress. It does not cause sweating thanks to air transfer - it balances the heat better and minimizes heat loss. It can be easily attached and removed from the bed thanks to its 4-corner rubber structure on the edges. Its soft-textured upper surface and soundproofing. It provides your baby with a good sleep thanks to its design that prevents formation of noise - it does not cause rustling or similar sound problems. It does not irritate the skin thanks to its soft contact surface. It is stain-resistant - prevents the formation of bad odor. The patterns and colors of the products sent may vary depending on the daily production of our factory - its quality and components are of equivalent quality.