12L Backpack:

-Name:Professional Cycling Sports Backpack With Water Bag

-Material:Nylon&210D Dense Lining&Thickened Elastic Mesh

-Weight:About 464g

-Capacity:About 12L

-Size:About 27cm Length,40cm Height,and 12cm Width

-Features:Tear Resistant And Wear-Resistant With Reflective Strip Design

10L Backpack:

-Name:Professional Sports Backpack

-Material:Polyester

-Capacity:10L

-Weight:390g

-Use For:Cycling,running,hiking,climbing,daily travel,etc.

-Size:31*12*44cm

-Features:100% BOUNCE FREE Harness System,Ergonomics,Hydration System, Reflective Design

10L Backpack:

Material: Nylon
Color: Black-Gray/Black-Green/Black-Orange / Black-Yellow(Optional)
Capacity: About10L
Weight: About 280g
Size:40*26*9cm
Scenes: Cycling,Climbing,Travel,Hiking and so on

Features:
1.Water repellent and tear resistant nylon fabric.
2.High quality zippers, easy zip and unzip.
3.Breathable padded back panel,adjustable sternum strap and shoulder strap.
4.Side and front adjustable straps for hanging anything you need.
5.Waist pack for cell phone, keys, small accessories.