Dolly Bin Kit: 3 Gray Bins - 3 Dollies - 1 Blue, 1 Red, 1 Yellow LidA quality, efficient and easily managed recycling system which is ideal for use in office environments. Colour coded bins can be used alone or linked as a kit a bolt mechanism joins wheeled dollies securely together for stability and easy movement. The kit includes three recycling bins with lids, three wheeled dollies and connecting links.