18/8 stainless steel auto ,ug. high grade. ideal for every home, it can be used both office and home, indoor and out door.18/8 stainless steel auto ,ug. high grade. ideal for every home, it can be used both office and home, indoor and out door.18/8 stainless steel auto ,ug. high grade. ideal for every home, it can be used both office and home, indoor and out door