Material: 4-layer construction of polyester cotton (100% polyester), non-woven fabric (70% polyester, 20% nylon, 10% rayon), aluminum sheet (aluminum), and mesh lining (100% polyester). Size: 120cm width x 100cm length Uses: Pet bottle cover, lunch bag, lunch tote, lunch bag, lap blanket, vest, cold weather clothing, or use under sheets/blankets. Can be sewn with a home sewing machine! Can be washed in a home washing machine! Much more durable than 100-yen store products! Feel free to ask any questions. Thank you. Fabric pattern/design: Plain Type: Fabric/cloth