Brand New. Pick up only English and Spanish EXPANDABLE PET BACKPACK CARRIER - The Siivton cat backpack carrier is designed with an expandable large back which can provide your pet with a large moving space, increase air circulation, and stay in it comfortably and reduces the anxiety. It measures 16.5”H*13”L*10.8”W (expanded to 16.5”H*13”L*23.8”W). When you don't need to use it, the foldable pet backpack will only take up a small space. It can hold pet up to 15 lbs. EXCELLENT VENTILATION & PROTECTION, MULTI-ENTRY - The cat backpack is designed with 4 mesh windows and 2 venting holes to provide your pet with excellent ventilation and visibility. The window at the top allows your pets to stick out their heads and you can observe them easily. The openings on the front and top make it easy for your pets to get in and out, and you can cover the panels to protect them from direct sunlight in summer and keep them warm in winter. INTERACT WITH YOUR FURRY KIDS EASILY -There is a side hole with a drawstring, you can stretch your hand into the dog carrier backpacks, or let your pet stretch out its head for better view and active with you conveniently. And you can adjust the size of the hole through the drawstring as needed. DOUBLE-SIDED POCKET is perfect for putting the kettle in the inner pocket and put the poop bags in the outer bag with poop bag holder. THE REINFORCED STEEL RING STRUCTURE can well maintain the shape of the cat carrier backpacks and never collapse. Connect the 3 straps at the bottom to the D-rings on the front and sides for ADDITIONAL BUTTOM SUPPORT. DOUBLE-SIDED BOTTOM SUPPORT CUSHION is made of short plush. In winter, pets can stay indoors to keep warm and comfortable. The other side is the oxford cloth design, suitable for summer, cool and breathable! It can be removed from dog backpack and cleaned separately! SHOCK ABSORPTION DESIGN + BACK ZIPPER POCKET-3D honeycomb elastic sponge back cushions, breathable, decompression and shock resistance, release pressure and travel easily. The widened adjustable shoulder pad to help reduce load and increase comfort, two retractable buckles on the top and bottom to prevent shoulder strap deviation and maintain the stability. Plus, there is a zippered pocket for storing phone, keys, wallet and small items.