Maximum airline carry on size,Packing Cube Organizers,Quiet Rolling Stainless-Steel Bearing Wheels,Lid Mesh and Zippered Storage Compartments,Press and Pull Latches with TSA Key Locks,Dimensions: Interior (L x W x D) 20.39" x 11.20" x 7.21" (51.8 x 28.4 x 18.3 cm),Dimensions: Exterior (L x W x D) 21.96" x 13.97" x 8.98" (55.8 x 35.5 x 22.8 cm)