This waterproof outdoor mat has double-sided aluminum foil and the inside is made of EPE. It is used for thermal insulation and protects the sleeping bag from sharp stones or branches. Perfect as a tent mat. Our sleeping mat has the following features: Color: silver white Mat edges: Black Lightweight: 150g Thickness: 0.25 cm Length: 200 cm Width: 150 cm A good floor mat for picnics and sleeping when camping and hiking. Foldable and easy to carry. Carry bag included. Our products are made of the highest quality materials and are designed to give you the best possible user experience. We strive to ship all orders within three days of purchase, and the estimated delivery time is 8-15 days. Please pay attention to the product's size and dimensions when shopping to ensure it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help you and do our best to assist you. Thank you for choosing our product. We hope you enjoy it.