The Sparkalicious Ruby kid’s backpack is functional, spacious, fun and sassy. These bright pink children’s bookbags are gorgeous, yet tough, durable, and built specifically designed for kids unique measurements.Perfect bookbag for school, or overnight backpack for sleepovers and trips. Our patented horizontal design with ergonomic attributes is designed to carry weight at waist level and take the stress off of your childs back. Our children’s backpacks are spacious, with 7 interior pockets for organization, interior ID card, and exterior pockets for easy access to small items and water bottles. Medium backpacks have a pocket for tablets, large backpacks have a pocket for laptops., with reinforced corners, adjustable straps, water resistance and easy to clean nylon. Our backpacks are durable and practical, while keeping it fun. Small sizes perfect for 3 to 5 year old kids between 36 and 42 inches tall. Medium sizes perfect for 5 to 7 year old kids between 43 and 49 inches tall. Large sizes perfect for 7 to 10 year old kids over 4 feet tall.