-【Large Capacity】 31*24*46cm, approx. 23L. Holds 2 DSLR cameras + 2 lenses + tripod +14 inch laptop and other photography accessories. - 【Expandable Capacity】 Featured with adjustable velcro multi-section dividers system that allows for many configurations. The detachable dividers for free combination. Protective foam dividers are fully customizable for your gear. -【Suspension system】 It has straps around the waist and back, high-quality ice-feel breathable mesh on the back/waist straps, good heat dissipation and ventilation effect. Rear-opening cache, rear-opening anti-theft, the main compartment is equipped with a coded lock slider, double anti-theft. Double slider design, open up and down arbitrarily, so that you can get equipment without putting down your luggage, and grab the wonderful moment anytime, anywhere. -【Quality Material】Ventilate and shockproof design, make you feel comfortable. Waterproof zipper design and 900D waterproof nylon material protects against spills and splashes. Equipped with a nylon rain cover (dust-proof, rain-proof, dirt-proof), removable for cleaning. -【Easy Travel】Breathable air-mesh widened and thickened shoulder strap and back ,and adjustable chest buckle to work together to distributing the weight evenly and reducing the burden of your pack. Also can easy mounting onto a draw-bar box through the back part when travel.