1. Three utility compartments with organizer hold your belongs in place
2. Padded sleeve fits 15" laptop    
3. Front zipper pocket with padded sleeve and earphone port for your CD player                        
4. Compartment with compression strap and elastic cord for ball      
5. Utility side pockets for water bottle and handy
6. Plastic handle on top                            
7. Ergonomic shoulder straps            
8. Single trolley system