Chest Button & Night Reflective Stripes: School bags for kids have handy chest button which keeps the backpack not fall off their shoulders when they are in a hurry. The reflective strips make it much safer for children to walk in the dark. Ergonomic Back Cushioning: Ergonomic soft full back cushion provides children with optimum comfort when they wear this backpack for outdoor activities. Even they have books to put in, the cushion on their back can buffer the pressure well. Toddler Travel Nursery Daypack: With safety leash，you can hook it at the top of the bag or use safety harness fixed to own backpack to prevent loss when go out with your baby. Lightweight & Water Resistant: To reduce the weight on the student's shoulders, the backpack are made of lightweight material with soft lining in an adorable look. Water resistant fabric to protect the books from getting wet. Occasion: The size is 8.3x3.9x10.2inch, 21x10x26cm(WxDxH). Suitable for school and daycare, it is also great for helping mom carry the diaper bag and easily holds bottles and some snacks, etc. It's a great holiday gift for your children.