The sport backpack has the feature to put in the ball, the backpack features

A main zip compartments;
A front expandable mesh ball pocket;
Dual side mesh pockets;
Front zip pocket;
Top fleece lined media pocket;
Multiple interior mesh pockets;
A padded back and adjustable padded shoulder straps;
Reverse tape zippers and a reflective woven logo for enhanced visibility.
Dimensions: 20″ x 12″ x 9″.