Named "The Best Dog Backpack" by Wired Magazine, The Maxine One has an advanced ergonomic design and was built to be safer, more comfortable, and more efficient for both you and your little chonk. Features - Rigid Structure: Constructed with high-density fabrics leading to a more rigid construction, specifically designed to keep your and your Chonk's backs straighter - Floof Guard 1.0: Keeps them snug and strapped-in without constricting their arms - The Neck Collar: Reinforced wrap-around padded neck collar - Heft Handles: Reinforced tubular nylon grab handles on all four sides to make load-in and load-out as easy as possible - Dual Auto-Lock Zippers - The Tail Port Materials - Weather-Proof Exterior - Rip-Stop Polyester Interior - Air-Mesh Spacer-Knit Side Ventilation Safety The Maxine One was designed, developed and tested with the guidance and expertise of various veterinary professionals including veterinary specialists and rehabilitation therapists.