Prepara Casserole Med Duty Alum 36 x 18cm: Prepara Aluminium Pans offer a lower cost alternative to stainless steel pans: Lockhart Prepara Medium Duty Aluminium Cookware o Heat resistant stainless steel tubular handles o R einforced rim for extra strength o Fast heat transmission and spreading (Aluminium is not dishwasher safe. Avoid using corrosive cleaning agents) .