The Eagle Creek Centerline Flight Companion is the perfect under seat carry-on companion and durable enough to check-in Material: 210D Mini Diamond Helix Size: 17" x 11" x 8.5" Linear inches: 36.5" Weight: 1 lb , 8 oz Warranty: Lifetime Wide u-shaped opening with two-way lockable YKK? zippers Main compartment designed to hold a Pack-It? Folder 15 or Cube for an extra set of clothing Exterior side pocket for electronics, in-flight comfort items, or reading materials Front zippered pocket for pre-board essentials and keys Top easy-grab handle and adjustable shoulder strap for a convenient and comfortable carry Back slip panel to securely stack on rolling wheeled luggage Interior mesh pockets separate and organize smaller items