R227-AN extra deep shelves are ideal for holding big books, binders, files, boxes, and more, while convenient design allows the truck to be stored against the wall or a desk. Constructed from “prime” steel which has a 25% to 35% post-consumer recycled content. Truck is over 95% recyclable at the end of the product life cycle. All steel Bretford book trucks are certified to GREENGUARD Children and Schools Indoor Air Quality standards.