A super-cool backpack, in the shape of a tennis ball. We love it, and you'll be knocked out by both the design features and the quality. This backpack doesn't just catch the eye, it's also built for action.

This classic yellow tennis ball backpack is in bright yellow felt with embroidered ball markings and features a strong top carrying handle and two comfortable and adjustable shoulder straps for support. The ball is a solid felt shell which means that it holds its ball shape, has a lined, water-proof interior, a padded back for comfort, and opens up with an impressively chunky white zip. Inside, you've got a range of useful separate compartments, including a zipped pocket for valuables, a key ring clip, a velcro-fastened mobile phone pocket, and pen holders. 

How much carrying space is there inside? We're a tennis company, so we're used to thinking in terms of tennis balls - in addition to a wallet and smartphone, you can get a surprising two dozen tennis balls in there with ease. More practically speaking, that means your child's hoodie, water-bottle and lunch. Or everything your teenager needs for day out on the town. 

Wipes clean with a damp cloth. 

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