APPLICATION RANGE: It is widely used for outdoor activities, such as camping, hiking, backpacking, traveling, beach, picnic, yoga, etc.DURABLE DESIGN: 1.The egg-shaped closed-cell foam pad offers optimized support with peaks and troughs. The egg nest grooves effectively retain air, providing insulation, and overall comfort.2. Our foam sleeping pads are ASTM-F3340 and RoHs certified. With an insulation rating of 2.1, they offer excellent warm for mountain trips. Made from elastic and wear-resistant foam material, these pads feature a smooth aluminum film on the back for added comfort.PACKAGE INCLUDE: The portable sleeping pad opening size is 185 x 55 cm / 72 x 22 inch (L*W), and only 1.8cm/ 0.7inch(Thickness). The folding size measures about 55 x 13 x 13 cm / 21.7 x 5.1 x5.1 (L*W*H).