Gemstone Double Wall 16oz. -Hot Cold- Acrylic Travel Tumbler - Apple Double Wall Insulation with Colored Gemstone like, Multifaceted Inner Liner. 16oz. Capacity for Hot or Cold liquids. Enjoy 2 Hours Warm, 4 Hrs. Cool. Triple Purpose Adjustable Swivel Lid. Sip opening for Hot, Straw opening for Cold, and middle position for Sealing. 8" Height x 3.5" Diameter. BPA Free, Not for Freezer, Microwave Use. Hand Wash Recommended, due to Dishwasher Temperature and Abrasiveness Variations.