Universal strut bladders with no valves attached. Purchase U-STICK valves separately to assemble replacements for almost any kite ever made.
The bladders are measured from the head to tail in inches (we fudge a bit because we know the bladder can be longer but CAN'T be shorter than the original). If you have your bladder out measure head to tail and choose whatever size is equal or longer to your original (don't fudge on the measurement or you'll get yourself in trouble).
We use only the highest quality US made polyurethane film for these bladders.. It's super stretchy, can handle abrasion, and moves easy when installing.