The PYREX Only from Corning Milk Glass Mug is a vintage coffee or tea mug with a 1970s style and a 1960s pattern. It is made of milk glass with a white and light blue color scheme, featuring a PYREX logo. This 300 ml capacity mug is microwave safe and designed for hand wash only care instructions. With its original design and unique features, this collectible item is perfect for all occasions and is sure to add a touch of nostalgia to your kitchen or lab decor.