The Plus 2 is a backpack dog carrier with a multi-functional storage pack. The storage pack is great for bringing gear, treats, or other necessities along on your adventures. It also acts as a support for your dog’s back, pulling your pup in snuggly against your back. Available in sizes S-L, its thicker shoulder straps and padded back panel allow for more weight and strenuous activities. The Plus 2 is our most complete carrier for small to medium sized dogs and fits dog owners small to large in build. For Dogs Ranging 8-40 lbs (4-18 kgs) View More Sizing Instruction Features * Detachable storage bag (14"x9") Don't forget your gear! * Fully ventilated sides for maximum refreshing air flow * Padded back panel for increased comfort and cooling * Thicker, wider, pressure relieving shoulder straps * Mesh dual side pockets for increased ventilation * Ventilated cooling side panels * Adjustable dual side pockets * Sternum strap avalanche whistle clip * Newly added PLUS