This is a 3-way travel bag, very convenient for overseas travel. It's a popular Montbell brand. 【Material】 Outer fabric: 330-denier Ballistic® Ultra nylon ripstop [urethane coating] Lining: 70-denier nylon ripstop [urethane coating] 【Weight】1,010g 【Color】Black (BK) 【Size】Height 55 x Width 36 x Depth 24cm, 45L I used it only once for travel. It was possible to carry it on the plane. It fit comfortably on my back and was easy to carry. I'm selling it because it was a little too big for me.