Theres almost no limit to the fun activities and uses for these bright color tennis balls. Of course these can be used for tennis, perfect for children who can practice different strokes with each of the 6 unique colors or other ways of segmenting the training based upon the color of the ball. Other great uses include physical education classes in camps and schools. Also a popular choice for playing fetch with dogs. Fits perfectly in common ball throwing devices sold at local pet stores or on Amazon. Come in standard plastic wrap, not pressurized ball cans. Buy multiple sets and accommodate larger groups and class sizes. 1 ball in each of the following colors; blue, green, red, yellow, orange and purple. Manufactures and sold exclusively by Coast Athletic, a leading supplier of sports, recreation and physical education products. Discounts are available on orders of higher quantities, contact us for a price quote. Also contact us for a catalog with our full line of products and special offers.