Features: 1) Material: aluminum 2) No-stuck, no burnt, easy for cleaning, good for health 3) The anodized surface is nonporous, abrasion resistant and harder than stainless steel 4) They are extremely durable and guaranteed to never chip, crack, peel 5) The black and dignified surface will maintain heat to save time and energy 6) Size: 30cm, 32cm, 34cm, 36cm Packing: Gift box, then in carton box 30cm: 10pcs/ctn 32cm, 34cm, 36cm: 8pcs/ctn