Changes color with ice cold liquids. Thumb-grip handle. Durable plastic. Top shelf dishwasher safe. 5 vibrant colors. Pricing Includes: a one-color silk-screened imprint on one or two sides. Black imprint is recommended. Unless specified, orders will be set up as a one-sided imprint for right-handed use. Imprint Area: 2-3/16" W x 2-1/4" H per side. Prop 65 Surcharge: In accordance with CA Prop 65, all drinkware that ultimately is entering the state of California must be individually labeled with a Proposition 65 warning label. Additional label charges will be applied to order. Multi-Color Imprint: Available, please contact for pricing. 250 pc. min. for multiple color imprints. Less Than Minimum: Not Available. Packaging: Standard Packaging is 100 per box.