This waterproof outdoor mat has double sided aluminium foil and inside is made of EPE. It serves as thermal insulation, protecting the sleeping bag from cold ground. Ideal as a tent mat. Can also be used as a thermal blanket. Our foam mat has color: silver white, matte edges: black and weight: about 160g / 4.23oz with thickness: about 0.20 cm/0.078 very thin, length about 198 cm / 78 inches, width: about 97 cm / 38.5 inches. Very good to keep warm or cold and easy to fold it. A good floor pad for picnics and sleeping when camping and Hiking. Also as Thermal Blanket keeping warm for cold weather. Foldable and easy to carry. Carry pack is included.