Best Tree Swing Strap Hanging Kit Available Anywhere on Amazon - 10 Feet of Ultra Strong 1" Tubular Webbing Used by Climbers Everywhere with an Aluminum Carabiner. Swing with Total Confidence Strongest and safest equipment available: hang time kids swing kit is made of only premium components. Bar tack stitching used for superior strength and durability. Aluminum carabiner: our carabiners have been built and tested to european conformity (ce) standards. Extra long 10 foot 1" tubular webbing: webbing uses polyester tubular webbing, which is stronger and more abrasion resistant than flat nylon webbing and has less stretch. Tubular webbing is standard for arborists and climbers worldwide. Half twist eye loop at one end to make it cinch up just right! 4500 lb breaking strength for the tree swing strap! Recommended load limit of 650 lbs for a safety margin of 7 to 1! 100 % satisfaction guarantee! If you don't love your tree swing hanging kit just let us know for a full refund.