1. LIGHTWEIGHT MATERIAL This ultralight foam plastic kneeling and sitting pad protects your rear and knees against rocky terrain. Kneeling on rocky terrain hurts, but not if you use our comfortable portable pad.2. COMPACT & PORTABLE DESIGN When unfolded, it is about 38.5cm*27.5cm*1.1cm. When it is folded and put into its compact carrying case, it is about 27.5cm*9.5cm*3cm.3. WATERPROOF With a waterproof and moisture-proof design, this foldable pad 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 on hand.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 sitting pad with you on almost most occasions.