Hello Sir, Bamboo Luxury special knitted upper surface is used in our product. Thanks to this structure, a cottony touch, soft texture, and liquid-proof protection are offered together. Fabric structure, fiber blends, production recipes and technical process details are part of our company's private production standards. Therefore, technical content information and percentage rates are not shared. As with all fabrics, it contains polyester. Our product is offered for sale after passing quality controls and meets all performance features specified in its descriptions. It is a product that our customers frequently prefer and are very satisfied with. We wish you to use it in healthy days.