Blue SINGLE bin modular storage system, made of high quality, 24 Bins per CDU. Polystyrene in a beige colour. Each bin is made in clear plastic and is completely detacheable from the unit. Bins are tilt to access. Can be drilled onto the wall or hung with slatwall clock hooks (not provided). Each Single Bin securely slots into other single bins on all external surface except the front and back of the bin.