Perfect for use in various locations, including around the garden, home, building site, farm or stables and are ideal for both solids and fluids. Just apply pressure when necessary to loosen dried mix. Made from heavy-duty polyethylene and are 100% recyclable. Black Standard Duty Tubs are manufactured using recycled material, these tubs feature comfortable handles and are UV stable.Yellow and Green heavy-Duty Tubs are made from 100% virgin material, which means these tubs feature super-strong comfortable handles and are both frost-resistant and UV stable.