Drop-in Dividers make sorting easy. The R3 Model is a one-third size drop-in bag compatible with basket trucks and poly trucks. Constructed of a steel top rim and heavy-duty vinyl, the bag rests on the top lip of a cart. This divider allows a single cart to convert to two equal compartments for sorting and storing different items. Available in sizes 8 - 24 bushel. Made in the USA.Cart is not included.