Title: 40 Liter Hiking Mountain Backpack with Rain Cover for Outdoor Camping
Size: 5.51 x 12.52 x 17.99 inches
1.6 ADJUSTABLE STRAPS- For tying up your pack or hanging sleeping bag, mat, hammock, tripod, and other gears.
2.Computer Compartment: Your Laptop (big enough for a 17 "laptop) .There is a compartment that can be used for a bladder and a holding place for the tube but no specific bladder space.
It meet size requirements for most airlines.
3.The hip belt is adjustable but can not be removed. (The size: 25--53 inches)
4.Product Dimensions: 21.7 x 13.8 x 9.8 inches (55 x 35 x 25 cm)
Front Zipped Pocket: 7.4x6.6x1.5 inches (19x17x4cm)
Middle Zipped Pocket: 6.6x8.2x1.1 inches (17x21x3cm)
Internal Pocket (The Pocket Behind Middle Pocket): 8.6x5.5 inches (22x14cm)
Side Mesh Pocket: 5.9x5.9 inches (15x15cm)