colour coded buckets available in blue, red, yellow & green also available with lids colour coded 10L hermetic mop buckets with lids available in blue, red, yellow & green. - In some trolleys the Hermetic buckets are 20L (available only in blue and red)\ additional storage tray if required 3 per trolley. high quality materials made in Italy. separate waste bags to prevent cross contamination . various drawer and shelf options with 22L or 40L capacity lockable drawers available. large 125mm wheels outdoor wheels also available.