Set on swivelling castors with a 51mm diameter and with an easy grip edge to make them easier to steer, these blue bottle recycling bins are made from medium-density polyethylene with a curved lip to help resist impact and a smooth, snag-free interior. They form part of a complete system - just the thing for sorting, separating and recycling your waste. Blue polyethylene recycling bin Medium density to resist impact Smooth, snag-free interior prevents glass from shattering Upper lip for extra strength Lip also helps makes the bin easier to move and steer 51mm swivelling nylon castors Dimensions (Internal): 410x580x700mm (WxDxH) Dimensions (external): 500x680x770mm (WxDxH)