Description The product is used in low temperature environment and is reflective, which makes it easier for rescuers to find out that it is a survival tool in the wild. There is a layer added inside the sleeping bag and it can improve the insulation capacity, which is good for ensuring the sleep temperature. Features - Color: Silver and yellow. - Material: PET. - Size: 200 x 100 x 0.5cm. - This product is an emergency life-saving product, suitable for outdoor exploration, inspection, tourism, and disasters. - Easy to carry, small, beautiful and practical. - Easy to fold and store, small size, light weight, can be used repeatedly. - for walkers, climbers, mountain bikers, runners, skiers and snowboarders. - It is very good to put this in sleeping bag, Reduce shock, keep patient warm, dry and clean. Helps against hypothermia. Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photoes and the actual item. Sincerely hope that you can understand! Thank you! This product is an emergency life-saving product, suitable for outdoor exploration, inspection, tourism, and disasters. Easy to carry, small, beautiful and practical. Easy to fold and store, small size, light weight, can be used repeatedly. Ideal for walkers, climbers, mountain bikers, runners, skiers and snowboarders. It is very good to put this in sleeping bag, Reduce shock, keep patient warm, dry and clean. Helps against hypothermia.