Country Field School Bag Will be shipped with waterproof protection. Ships within 24 hours. Stored at home. Features bottom studs to prevent dirt. Large capacity, fits A4 files, thick textbooks, lunch boxes, and water bottles. Equipped with a lock for security! The main compartment zipper has a lock. Safe for use as a locker or when leaving the classroom. The key is attached to the D-ring. Large capacity for days with lots of luggage. Wide gusset can securely store student belongings such as textbooks, notebooks, gym clothes, and lunch boxes. Please feel free to ask if you have any questions.