Marrywindix Acu Camouflage Sport Outdoor Military Rucksacks Tactical Molle Backpack Camping Hiking Trekking Bag[Size Better for Teens] nylon Imported Material: Oxford Cloth [Size Better for Teens] Capacity: 30L; Dimensions: (9.45'' x 8.66'' x 16.53'') It belong to internal framed pack,can make balance,double shoulder straps are adjustable Great for traveling, hiking, camping , etc Suitable Groups: UnisexSuitable Groups: Unisex, Pls pay more attention for the size before your place the order, thank you~