Gemstone Chiseled Double Wall 16oz. -Hot Cold- Acrylic Tumbler - Purple Double Wall Insulation with Colored Gemstone like, Multifaceted Inner Liner. 16oz. Capacity for Hot or Cold liquids. Enjoy 2 Hours Warm, 4 Hrs. Cool. BPA Free Acrylic Construction of Cup Housing and Screw on Lid, with rubber gasket seal. 6.75" Height (without straw) x 4" Top Diameter x 2.6" Base Diameter. BPA Free, Not for Freezer, Microwave Use. Hand Wash Recommended, due to Dishwasher Temperature and Abrasiveness Variations.