16 oz Stainless Steel Desk Mug. TherMax double wall vacuum insulation for maximum temperature retention, hot or cold. Unbreakable stainless steel interior and exterior. Ergonomic rubber handle. Cool to the touch with hot liquids. Sweat-proof design won't leave water rings. Non-slip, scratch-resistant rubber base. Spill-resistant, easy-to-clean, slide-lock lid. Capacity: 16 oz/.47 L