The pure natrual is the master material for the product,no stimulus ,good absorbant,after absorbting will strengthen elasticity ,reusable,will be resoft when put it in the water. Dear friends, Hello, First of all thank you very much for your concern of our products,In order to allow faster, more timely for you to provide accurate product and pricing and other information materials,Please send us the inquiry, inform us the following information. Thanks!Provide samples give me, is the best approach. Size Demand Quantity Materials and density (weight per cubic meter) Drawings Material Details Useage and product color and packaging requirements