I used this 1 time. It is in excellent like new condition. Please let me know if you have any questions or want to make an offer Thanks so much for checking out my listing. Easy to wear with extra shoulder padding and back support. Ventilated side panels give you and your passenger plenty of air. Side water bottle pocket for staying hydrated. Get the perfect fit with adjustable side cinch straps. Minimalist design is paw-fect for walks, short hikes and easy bike trips. Paws what you're doing and check out the K9 Sport Sack Trainer Backpack Dog & Cat Carrier! Perfect for pet-tential adventures, this minimalist backpack keeps your best friend looking forward—while feeling safe and secure. Its lightweight, innovative design features adjustable lumbar support straps and shoulder padding for extra comfort. Ventilated side panels allow for maximum airflow and a fabulous view. They come in unique colors, and the side pocket is great for a water bottle or other essentials. Dimensions 12 x 10 x 2 inches Lifestage All Lifestages, Adult Breed Size Medium Breeds Features Carry Bag, Shoulder Strap, Pockets, Top Load Material Polyester, Nylon, Synthetic Fabric Assembly Required No Tools Included No Tools Required Recommended Pet Weight Up to 30 pounds