plastic mop bucket with wringer , well quality , different sizes for choose 27L (29QT.) , 28L(30QT.) , 30L(32QT.) , 32L(34QT.) ... , 36L(38QT.)~~~we have several volumes of the mop bucket for your choose , all these made by durable plastic (Polypropylene ... ) , thick walls of the buckets , suitable for hotel , restaurant , office , shopping mall etc . strong wringers ...