The material ensures these sacks are tear-resistant, windproof and water proof. Plus. Professional emergency color - orange helps the user be found more easily in an emergency.A must-have tent camping gear when camping, hiking,trail running. The survival bivy bag is durable enough for repeated uses so it can be folded up and placed back inside the waterproof Nylon stuff sack and ready for your next next adventure. Uses are nearly limitless: use as tent footprint, rain poncho, ground cover, bivouac sack, wind blocker, water collector, snow melt container and so on. Suitable for outdoor camping and hunting,emergency shelter or car emergency. Your logo is welcome.Quantity over 15000 piece is the price of sea transportation.