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. Available in matt black stainless steel or natural look stainless steel both with black lid. Silicone grips are available in blue, red, black, white, green, yellow or pink.