Thomas & Friends are ready for your child's next railway adventure! A spill-proof valve is built into lid so there are no extra pieces to clean or lose. Double-wall insulation keeps drinks cooler longer. All the performance of a reusable 9 oz. insulated cup at a value price. Artwork on both inner and outer cups creates eye-catching 3-D graphics. Insulated wall keeps drinks cooler longer. Packaged in a convenient 2-pack. Colors and styles may vary. Styles are selected at random when shipped.