Stainless steel blades Polywood treated handles Aluminium rivets Polywood is a special treated timber manufactured by Tramontina in Brazil. Although Polywood is more resistant than normal timber, some precautions need to be take when utilised in a restaurant or industrial place. Features: Dishwasher safe Heat resistant Impact resistant Cured wood ; Care instructions: After use, rinse immediately in warn soapy water and wipe dry with a clean cloth. Do not leave unwashed cutlery overnight or for extended periods. Rinse food, salt or detergent off used knives promptly. Do ; no use knives to open cans, cut bones and other materials that might damage the edge and its cut. Tramontina recommends the use of commercial plastic dishwasher rack/basket when using any type of dishwasher, both commercial or residential. ; Dimensions: Length: 25cm (12.2cm blade) Width: 3.2 cm Thickness (handle): 1.9cm No retail package.