Space Age Showa Retro Retro Pop Vintage Mid-Century Set of 2 Heat-Resistant Glass Mugs 70's 【Size】 Approximately Diameter: 8.2 cm, Height: 6 cm These are glass mugs from the 70s. They have a spacey and pop-art print. They can be stacked for storage. Stored at home for a long time. Please understand that these are old items. I have compiled a list of Showa retro and antique items below, so please take a look if you'd like. #Taro's Showa Retro Color: Orange, Blue Glass/Cup/Wine Glass: Pair (2), Cups, Mugs, Heat-Resistant Glass Material: Glass