The Going to Grandma's Children's Back Pack is great for daily use or overnight trips to friends and family's houses! Perfect for toddlers and young school-aged children!Add even more excitement to the prospect of a trip to grandma's house with this children's backpack! This pack is constructed from 600 D polyester - so it will last for countless trips! This ripstop nylon material is not only durable, it is also easy to maintain. This pack has a spacious interior - plenty of room for clothes, pajamas, and a favorite toy. This pack features a fun motif of animals riding a train! This backpack comes in four colors - Blue with dark blue zipper, Green with dark green zipper, Pink with dark pink zipper, and Red with pink zipper..