KAZE SPORTS Deluxe 3 Ball Bowling Roller with Double Wheels Doubled up 5-Inch polyurethane wheels guarantee smooth, quiet and balanced roll Retractable square locking handle retracts flush to base and extends up to 41-inch All YKK zippers, smooth and long lasting 4 outer accessories pockets, 3 inner mesh zip pocket, separate vented shoe compartment hold up to men's 15 size shoes Securing straps in each padded ball compartment to enhance rolling stability. Extra inner padding and Strengthened 1680D Nylon construction