Carry and protect your photo gear in the 24L Walker Pro Backpack from Think Tank Photo. This pack is designed to hold two gripped DSLRs with lenses attached and an extra three to five standard zoom lenses or a 400mm f/2.8.. It will accommodate a maximum lens size of 400mm f/2.8 (unattached). It also has a pocket that can hold laptops up to 16". Two pockets on either side can hold a water bottle or tripod. You can also attach a tripod to the front of the pack. Adjustable and removable dividers let you customize your pack's interior to best fit your gear. Comfortably carry this pack with the dual-density shoulder straps, contoured back panel, and removable waist belt. You can also attach this pack to your luggage handle with the rear trolley pass-through. This pack is made from ballistic nylon and polyester with durable water-repellent coating.