New and unused. Chest belt specifically for school backpacks Harness to prevent school backpacks from slipping off Mamoru-chan's chest belt prevents school backpacks from slipping off. This is a convenient item to help new first graders and children who are small and find it difficult to carry a school backpack. The school backpack is secured, making it easier to walk and reducing the burden of weight. Product Name: Chest Belt for School Backpack REP2-1200 Brand Name: Mamoru-chan Material: Polyester Size: Width: Approximately 20mm Length: Approximately 170mm-300mm Belt Width: Up to 4.5cm Country of Origin: Japan Color: Pink Purpose: Prevents shoulder straps from slipping off Target: Elementary school students, boys, girls ※Notes※ It may not be possible to use this product depending on the type of school backpack and the shape/thickness of the shoulder straps.