Timbuk2 Co-Pilot Luggage Roller Durable nylon and fabric reinforced tarpaulin fabric construction Sturdy, smooth skateboard wheels and extending handle system for an easy roll Large front zip opening to main compartment for easy in and out Expandable top stash pocket is accessible in overhead bins Front zipper pocket fits up to 13" MacBook Pro Clamshell construction makes for easy packing and organizing. Expandable top compartment for quarantining shoes and toiletries. Integrated ID window for fast, clear identification. Internal mesh divider keeps items separate and organized. Medium sized roller is 22 inch in height and meets most airline requirements for domestic carry-on . Small sized roller is 20 inch in height and can be carried on board domestically and internationally - no need to check it in. XL Copilot Luggage Roller is 28 inch in height and must be checked on regardless. Bike inspired comfort roller handle system. Reinforced grab handles on all sides for and easy heave ho. Removable skateboard wheels. This luggage roller features double-pole handle system. Padded front zippered pocket fits up to 13 inch MacBook or iPad.