Ultralight Pouch Roll-top type, M size Made of DuPont Tyvek Soft Type Handmade roll-top stuff sack Weighs only about 15g! And it's waterproof and strong Tyvek. The fabric itself is waterproof, but water may enter through the seams. We recommend seam sealing the stitching yourself for better waterproofing. <Size> When laid flat *Please allow for approximately 5mm error. H approx. 41cm W approx. 23cm It will be folded for shipping, so it will be wrinkled. This product is prone to wrinkles, and there may be wrinkles from the manufacturing process, but this does not affect the product's functionality. As this is handmade, there may be imperfections such as unevenness. We appreciate your understanding. The position of the logo text on the back will vary for each item. Tyvek is gaining attention in the outdoor community for its incredible lightness and superior waterproofness and durability compared to any other material. Tyvek Features 1. Breathability/Moisture Permeability 2. Water Resistance / Humidity Resistance 3. Water Pressure Resistance 4. Water Repellency 5. Lightness 6. Stain Resistance 7. Durability 8. Operating Temperature Range / Flammability 9. Opacity 10. Whiteness 11. Light Reflectivity 12. Low Linting 13. Static Electricity 14. Chemical Resistance 15. Solvent Resistance 16. Dustproofness 17. Fold Resistance 18. Thermal Conductivity 19. Precautions Due to the manufacturing process of non-woven fabric, there may be some variation in thickness. #Outdoor #Camping Sheet #Waterproof #Windproof #Tent #Sleeping bag #Fastpacker #Climbing #Lightweight #UL #Large capacity #Ultralight Materials: Tyvek, UL/Ultralight, Water repellent