-Waterproof and lightweight nylon Oxford fabric-Top and outside handle-Main zipper pocket can be opened at 90 degrees or one piece at 180 degrees for convenient storage.-Side zipper pockets-Back zipper pocket-Exterior USB charging plug-Large capacity storage-Inner padded laptop sleeve-Interior multi layer space-Adjustable shoulder straps-High density polyester lining-The back strap can be inserted into the pull rod of the suitcase-Soft foaming on back side, ventilation, decompression and comfortDimensions: L31cm x H47cm x T18cmWeight: 0.89kgDifferent people with different measurement, so it may exist 1-3cm measurement errors. Hope you will not mind it. Twenty Eight Shoes VANSA Fashion One Piece Backpacks VBM-Bp1956