This 3-in-1 kids backpack combines a teen backpack, lunch bag, and pencil case into one, made of durable polyester fabric and smooth zippers. Perfect for both boys and girls, this backpack includes a lunch box for easy school transport. Our kids' backpacks are made with premium fabrics and craftsmanship (healthy, environmentally friendly, comfortable, and durable). The outer material is high-density polyester, waterproof, silky, and easy to clean. The lining is sturdy and durable, not easy to tear. The backpack measures approximately 42x16x29 cm; the lunch bag measures approximately 24x20x15.5 cm; and the pencil case measures approximately 20*10*7.5 cm, accommodating a 16-inch laptop. Elastic side pockets are available for umbrellas and water bottles. Looking for a cool backpack? Our backpacks are perfect for school, cosplay parties, Christmas shopping, birthday gifts, dates, travel, camping, driving, and short trips. This multifunctional kids' backpack is designed for outdoor activities and has a capacity that far exceeds your expectations. It can hold books, laptops, pens, notebooks, water bottles, shoes, clothes, and more. Lightweight and portable, it is suitable for hiking, walking, mountaineering, camping, travel, cycling, fishing, and exercise activities. It is your ideal travel companion. Note: 1. Manual measurement, please allow some error. 2. Due to differences in light and screen, the color of this product may differ slightly from the picture.