Fully adjustable shoulder straps and side clip. Slide number cards between canvas backing and plastic window. Holds two A4 cards - one on the front, one on the back, (Number cards not included). Elasticated around waist for Air Jacket. Cheryl and I saw these at Badminton and both agreed we had to have one. They are much more durable than the ones we had been buying in the U.S.
Available in Black, Royal Blue, Navy & Pink!