Keep your cold drinks cool and your hot drinks warm with this 30 oz. double walled vacuum insulated tumbler. Measuring 8- x 4- x 4- this stainless steel tumbler is generously sized, yet can still fit in most standard cupholders. The slide function lid enables secure, convenient drinking. With your custom logo printed or laser engraved on the side, this tumbler makes a great branded everyday or travel accessory. This custom 30 oz insulated vacuum tumbler. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.