Enjoy sipping on the go with our 12 oz double walled vacuum-insulated mug. Use the separate press on lid if you like, or skip it to enjoy the coffee drinking experience straight from your favorite mug. Inner and outer 304 stainless steel construction for super durability. Press on, BPA free lid. 3.5" diameter mug plus 1.5" handle x 4.25" tall. Custom designed at Lizzy's Fresh Coffee.