2.4 Medium R-value Insulation - backpacking sleeping pad for camping strikes a good balance between warmth, portability and versatility. It can block the cool air from the ground without causing stuffiness due to excessive warmth. Suitable for spring and full camping, or cool summer nights.Dual-layer Valve Design - Simply open the outer air cap for one-way inflation to easily inflate the camping sleeping pad. No need to worry about leaks when using it! In addition, deflation is super fast, just open the inner air cap. If you can still support it stably after pressing your hand hard, it is full of air.Warm Tips: When the temperature is high, you can deflate it appropriately; When the temperature is low, you can inflate it appropriately. Please do not over-inflate, otherwise it will easily cause bulging. Any question, please feel free to contact us.Our professional customer service is therefore here to do whatever it takes to promise your satisfaction.Lightweight & Space Saving - Despite being a twin size, this camping mattress weighs only 0.92 lbs and can be folded into a compact size of 3.9" x 3.9" x 11". It can be easily put into a travel bag, ensuring you have both comfort and portability, perfect for any outdoor activities.Durable & Waterproof Material - This durable camping inflatable pad is made of polyester fabric and covered with TPU waterproof coating, suitable for all weather conditions. Our camping mattress can be inflated up to 75.6" x 22.8" x 1.98", which can accompany you on any type of adventure and provide you with the comfort you need.