Institutional quality and durability Available in 6 colours Available in size 6 and size 7 Nylon wound butyl bladder Raised rubber laces for grip and control Available in youth and junior sizes and in a full rainbow of colors: red, orange, yellow, green, carolina blue and purple. Choose the colors that match your school or organization, or use a set of all for a classroom colors program. Can be matched with Playground colours volleyballs, soccer balls, basketballs and mesh bags.