Unique double-wall design. Removable clear plastic sleeve that protects touch and holds temperature. Splashproof press fit Lid. Drinking pleasure, lid on or off. Removable plastic sleeve, designed to be taken apart for easy and thorough cleaning. Barista standard design ensures a consistent and enjoyable coffee experience at home or your favorite café. Made to last, BPS/BPA-free, tempered glass and lightweight plastic to enjoy your daily adventures.