1) Made of HDPE 2) All plastic, professional grade construction will not rust, chip or peel 3) Resists dents 4) Strong, snap-on lids are available for secure, stable stacking 5) Built-in handles allow easy, non-slip lifting and anti-jam nesting SL-D20 dimensions 490*350*260 weight 1.4kg material HDPE SL-D30 dimensions 590*415*325 weight 1.6kg material HDPE SL-D100 dimensions 805*460*520 weight 7.5kg material HDPE SL-D240 dimensions 1020*597*740 weight 12.5kg material HDPE SL-D250 dimensions 1070*600*740 weight 15.5kg material HDPE