This waterproof outdoor mat has double sided aluminium foil and inside is made of EPE. It is used for thermal insulation, protecting the sleeping bag from sharp stones or branches. Ideal as a tent mat. Our sleeping mat has colour: silver white, matte edges: black and light weight: 150 g with thickness: 0.25 cm, length: 200 cm, width: 150 cm. A good floor mat for picnics and sleeping when camping and trekking. Foldable and easy to carry. Carry pack is included. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.