1. CERTIFIED QUALITY --- WELLSEM Aerial Yoga Hammock is made from Certified Quality Material and Hardware : 1 Piece 5.5 yards 40-Denier Nylon Tricot Elastic aerial hammock , 2 Piece 23KN strong Carabiners , 2 piece 10ft 23KN Reinforced Nylon Daisy Chains, The Yoga Hammock Max rated for 2,000 pound dynamic load. Daisy Chains and Carabiners are all certified to Climbing Standards..2. PROFESSIONAL DESIGN -- 100% nylon 40-Denier Tricot with stretch, the fabric has a low stretch on Vertical direction (Length), high Stretch on Horizontal direction （Width）.Low Stretch design helpful for pose training : anti-gravity ,flying ,cocoon inside . the hammock fabric gives just enough so that it feels comfortable for the body and skin. Beside WELLSEM Yoga Hammock applicable for Professional and Beginners.3. ADVANTAGE --- 1. Our yoga hammock can be Fully Cocooned Or Laying Fully In with 3 yard width . not like the parachute type of material used often on other yoga style swings. 2. Double Point Hang more safe and comfortable, But not pre-knotted. Our aerial yoga hammock kit include Knot tying guide - step-by-step instructions on making set-up safe and easy to follow 3. Easy Setup : applicable for Ceiling height 2-3.5 meter .can be use daisy chain to adjust hang height and re-setup silk knot...4. SPECIAL EFFECTS --- 1. Special aerial yoga exercises is very good effect of yoga on weight loss and anxiety disorder, insomnia and other symptoms of arthritis. great for relaxation, stretching, stress reduction, and back pain. 2. Conditioning Physiological Balance, 3. Elimination of inner calm tensions, 4. spiritual cultivation . 5. Helpful for Autistic Rehabilitation Training.5. WARNING: 1. his product is not fireproof fabric, please stay away from sources of ignition. 2. yoga hammock clean the surrounding ground smooth, avoiding choose gravel, twigs and other sharp hard object exists locations.