1.LIGHTWEIGHT MATERIAL: This ultra-light foam knee and seat pad protects your back and knees against rocky terrain. Kneeling on rocky terrain hurts, but not if you use our comfortable portable pad. 2.COMPACT AND PORTABLE DESIGN: When unfolded, it is about 38.5cm*27.5cm*1.1cm. When folded and placed in its compact case, it is approximately 27.5cm*9.5cm*3cm. The entire seat cushion weighs only about 32g. 3.WATERPROOF ： With a waterproof and moisture-proof design, this foldable pillow is perfect for outdoor activities. Whether you are camping, hiking, backpacking, hunting, fishing or just need to rest or sit, this mini cushion mat can always be at hand. 4. GREAT QUALITY: This camping foam pillow is very well made and very comfortable. Both the red and black sides can be used. It is very durable and can last a long time. 5. Comfort behind ： Since this portable folding mat can be folded into such a small package, you can almost always take it with you. Now you can have a comfortable seat cushion with you on almost most occasions.