Material:30% Cotton 70% Non-woven Packaged: 1 Pcs round drink coasters, 4.7inch diameter and 0.3 inch thickness. Handmade stylish coasters, safe and soft Absorbency & Green Material: COSYLAND Coasters for drinks are made of non woven core with 100% pure cotton strings enwound. Cotton has better absorbency than cork coaster. Inner core is made of non-woven fabric which is well-known for its great breathability and heat durable. Care More About Your Tabletop: COSYLAND drink coasters are so soft, don't need worry about them scratching furniture. It doesn't make much noise when placing the cups on the table as well.This coaster can also be effectively insulated, and when you enjoy hot drinks, it will not leave any traces left by the hot water on the table.