Laundry tubs with cabinets are a standard inclusion in most laundries. Most laundry sink bowls are made from stainless steel with some made from plastic. Cabinets are generally made from steel or plastic with some being made from particle board. Laundry units with stainless steel tops are more rigid than plastic tops and plastic cabinet will not rust. Plastic cabinets with stainless steel tops are both rigid and rust resistant.