The Pet Dog Carrier Backpack provides hands, secure, and comfortable transport for small dogs. Built with a sponge design and breathable mesh, it is durable and comfortable for both you and your pet. Key features Two side zippers on the long sides for easy loading and unloading Adjustable neck opening to fit your dog securely Sponge and mesh construction with two mesh side panels for maximum air circulation Dog collar hook to keep your pet safely in place Zipper and elastic openings to fit your dog snugly Release buckles at the ends of the straps for quick onehanded installation Size and compatibility Small: 02.5 kg Medium: 2.5 kg3.5 kg Large: 3.5 kg6.5 kg XL: 6.5 kg9.5 kg Benefits and performance Comfortable for pets: breathable mesh panels and soft sponge construction reduce heat buildup and pressure points Secure and adjustable: neck opening and collar hook help keep your dog in place while you move Easy to use: side zippers and onehanded release buckles enable quick loading, secure fastening, and convenient removal Versatile: suitable for daily errands, short trips, and travel where hands transport is beneficial Use scenarios City strolls with a small dog: carry your pet comfortably while keeping your hands for bags and errands Outdoor activities: ideal for light hikes or park walks where airflow and comfort matter Vet visits or travel: provides a secure, enclosed space for your dog during appointments or trips, with quick loading and unloading How to use Place your dog inside the carrier with the neck opening adjusted to fit Secure the collar hook to hold your dog in place Close the elastic openings as needed and fasten the release buckles for onehanded setup Use the side zippers to assist during loading or unloading as required This carrier backpack stays true to its design and specifications, delivering reliable function, compatibility across four size ranges, durable sponge and mesh materials, and practical features that support comfortable, secure transport for small dogs.