The B28 Traction Series Backpack features an H-shaped non-slip buckle that securely reduces shaking and has a breathable mesh design for added comfort. Its high-quality zipper is silky smooth and jam-free, ensuring safe and easy use for toddlers. Equipped with a 1.1m safety leash, this backpack helps keep your child within reach, offering peace of mind while preventing them from wandering off. Designed and tested for anti-pull functionality, it's perfect for safe and comfortable outings.