Designed to keep beverages hot for up to three hours or cold for up to nine, this 12 oz. glasses from Corkcile feature a stainless steel interior and resealable plastic lid. Hand-wash. Monogram it! Personalize your Insulated Glasses or Flasks with our monogramming service. Up to four characters per item. Call our Customer Service Operators at 877-653-6455 for pricing.