Fixmykite.com Self-Stick-Valves will stick on all bladders.  Simply peel and stick to make a fast and easy repair, or stick it on any new bladder.  Specially formulated adhesive is incredibly durable and will stick on any bladder material or color.   The 7mm Self-Stick-Valve will work on older kites that use a smaller inflate valve.  Also used on all Ocean Rodeo kites and some one pump systems.  One way valve lets air enter while pumping but stops air from going out.  Simply squeeze valve to let air out.  1-way flap can be cut out to create a 2 way valve