[Food Grade Aluminum ] The hamburger is made of food grade solid aluminum alloy, and plastic [Non-stick ] This burger has a non-stick that helps keep patties intact during removal and allows you to effortlessly hand wash all parts with warm soapy water for years of use [Adjustable] The hamburger is adjustable for patty size (from 1/4 lb to 3/4 lb) and adjustable patty thickness from 1/4 inch to 1 1/2 inches [Provide The Ideal Patty Shape] The size of this burger is 12.5x18cm, it can provide the ideal shape of burgers and make you have a pleasant dining experience Product Name: Burger Color: Silver Material: Aluminum Package Contents: 1 x Hamburger Meat Maker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.