Spill-proof flip-top lid with snap-locking closure and double-wall vacuum sealed construction that keeps drinks hot or cold 8X longer Non-slip textured silicone hand grip and a durable powder coated finish C7 crossed flags on one side Officially licensed GM product 20 oz This stainless steel tumbler has spill-proof flip-top lid with snap-locking closure and double-wall vacuum sealed construction that keeps drinks hot or cold 8X longer. Non-slip textured silicone hand grip and a durable powder coated finish. C7 crossed flags on one side. 20 oz.