Durable plastic. 5 unique abstract designs. 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. Imprint Area: 3-7/8" W x 3" 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 on one side only. Registration will vary 1/8" in any direction, making close registration impossible. Please contact for pricing. 500 pc. minimum for multiple color imprints. Less Than Minimum: Not Available. Packaging: Standard Packaging is 500 per box. Lids are shipped separately, unassembled.