This BPA free thermal insulated mug is crafted with Stainless Steel inner and outer walls, designed to keep your drink hot for hours. The double-wall construction also ensures that the outside of the mug remains cool at all times. Milan Double Wall Mug is perfect for those on the go and features a unique lock-back spill-proof lid as well as a soft feel silicone grip, making safe handling a breeze. Mugs are supplied packed in a matt black gift box. For very special occassions you might prefer to have your mugs packed in our optional Impressions Tube, see R4530. Mugs are available in matt black stainless steel or natural look stainless steel both with black lids.