Large Sports Backpack With Hidden Shoulder Strap Waterproof Travel Backpack 

The Sports Backpack Design For Outdoor Sports , Such as Hiking , Camping ,Water Sports , Diving 

Its Large Capacity Can Accommondate More Daily clothes, Accessories. Durable and Reinforce Handle Make You More Easily Carry it . 

Features :

Retractable Straps - Unique carry straps are coiled inside the case for a clean, stylish look, and easily extent or retract to adjust to your personal preference.

Backpack Carry - Dual padded straps allow the duffle to travel comfortably on both shoulders, while a hook-and-loop handle wrap combines the two straps for single-handed carry

Expandable - Fabric folded within a zipper compartment opens with a zip to add more carrying space to the interior. Because you never know when you might need more room.

Convertible Duffle - Converts from duffle to backpack with stow-away shoulder straps.

Volume:  31 L

Others: 

Dimension: 56*28*24.5cm 

Weight : 1.8KGS