PetAmi Expandable Dog Backpack Carrier for Cats & Pets, Breathable Cat Carrier Backpack with Top Window & Multi-Entry, Ventilated Foldable Travel Carrier for Small Medium Pets up to 18 lbs, Black

PERFECT FIT & EASY TO CARRY: Fits small to medium pets up to 18 lbs, with a spacious interior (12.5" L x 10.2" W x 16.3" H). Padded shoulder straps & ergonomic support make it easy & comfortable to carry for everyday use. For best fit, measure your pet before purchase | EXPANDABLE, MORE ROOM FOR COMFORT: The back panel of our airline approved cat backpack can be extended to create a larger, comfortable space that gives your pet more room and reduces anxiety during travel and outdoor adventures. Perfect for longer trips, hikes, dog walks or park outings | BREATHABLE MESH & TOP WINDOW DESIGN: Multiple ventilated mesh panels and a top front window provide excellent airflow and visibility, keeping your pet cool, comfortable, and relaxed while reducing stress and allowing them to safely enjoy the view | SAFE, SECURE & ESCAPE-PROOF: Built with durable materials, a reinforced structure, secure buckle locks, and an internal safety leash to keep your pet safely inside at all times. Reflective straps enhance visibility in low-light and nighttime conditions, making it safer for evening walks, travel, or crowded environments | TRAVEL READY & COLLAPSIBLE: Built for convenience, this lightweight & foldable backpack is easy to carry and store when not in use. Features a built-in poop bag dispenser and front storage pocket to keep essentials like treats, waste bags, and accessories within reach