straps close to 15 foot each. Most of the time I'm wrapping extra around the tree. Went on a kayak trip a couple of weeks ago and one of the trees I had to use was hu-mong-gus!! (and naturally covered with poisen ivy) That night I could only wish I had more strap and hope that going around it only once would hold till the next morning. ClumseyBear was also using the same central tree and I guess was having the same thoughts as me about falling in the middle of the night. Found out the next morning that for added insurance, she had hooked her set up to my strap!! Wouldn't we have been in a pretty pickle if one of us had slipped during the night. That tree was so big that usually when I'm on a tree that someone else is using too, I can feel the tree move when that person moves. We both couldn't move that tree!!! I'm thinking about changing one of my straps to be a little longer than the other.