13″: Size: 32*21*23CM Material: 600D Oxford cloth + PE board at the bottom of the bag The front panel of the bag has 6 pockets, 3 cloth pockets + 3 black mesh pockets. The whole bag weighs 450 grams 18″: Size: 44.5*29*32CM Material: 600D Oxford cloth + PE board at the bottom of the bag The front panel of the bag has 6 pockets, 3 cloth pockets + 3 black mesh pockets. The whole bag weighs 750 grams18″Zipper Tool BagClosed size: 46X21.5X24.5CM (length x width x height)Material: 500 X 500D black polyester fabric, double layer fabricThe front and back pieces are lined with 3MM thick EPE cottonThe bottom is lined with 1.8mm PE board4 diamond-shaped plastic foot stickers with a size of 5x4cm are sewn on the bottom#10 zipper, electrophoretic black double pull head, steel wire lining large opening3.8CM wide black webbing carrying hand3.8CM wide black shoulder strapThere is a washing mark in the bag.Weight: 1050 g