The Himalayan Tumbler is made with a stainless steel outside and inside with a double wall construction for insulation of hot or cold liquids. Features a snap-on, spill-resistant thumb-slide lid with rubber gasket. Due to vacuum insulation technology, capacity is 18 oz. with lid on. Keeps drinks hot or cold for up to 6 hours. Meets FDA requirements and is BPA free. Hand Wash Recommended. 7"H. Laser Engraved with the Bobcat logo.