The Pottery Barn Kids Navy Solar System Glow In Dark Small Mackenzie Backpack #5003 is a stylish and functional backpack for kids. Made of 100% polyester in a vibrant multi-color design, this backpack features a unique solar system theme that will appeal to young space enthusiasts. The small size makes it perfect for carrying essentials while the glow-in-the-dark accents add a fun and playful touch, making it a must-have accessory for any young adventurer.