Coffee Mug: Get a stainless steel vacuum insulated coffee travel mug. Colours: Available in black, white, pink, red, and navy blue. Material: Made from strong stainless steel with a silicone seal. Size: Choose either a 12oz mug (17 x 7cm) or a 17oz mug (14.5 x 7cm). Insulated: Keep your hot drinks warm for longer thanks to the double wall vacuum sealed design. Travel: Mug is leak-proof and spill-proof - perfect for travel! 12/17Oz Steel Insulated Coffee Mug | Navy | Living Social