Super Lightweight: Can be folded into the small attached sack, portable to carry and fits into backpack. It is a great replacement for tent, sleeping pad, ground mat, swing, cradle, etc. Adjustable Tree-friendly Straps: Each strap 10 feet long with 18+1 loops, easily locking the carabineers to any loops which adjust a perfect height and comfort level. No need to tie any knots and not damaging the trees.