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30 oz SIC Tumbler Our largest capacity tumbler is built to keep you hydrated throughout the day. Its sleek design makes it easy to hold and fits perfectly in your cup holder. From the office to the weekend backyard BBQ and everything between, our 30 oz tumbler is ready to be right there with you. ABOUT US The SIC brand began its journey when two friends, Bobby and Erik, wanted to create a range of drinkware products that are both stylish and portable at the same time. Their ultimate goal was to create products that you will use for your first cup of coffee to your evening cocktail and, more importantly, will be right there with you in your special moments. INSULATION & TECHNOLOGY Our philosophy is that beverages simply taste better when they are at the perfect temperature. All products within the SIC lines are triple insulated to keep your beverage ice cold or piping hot for hours on end. The triple insulated technology starts with food grade 18/8 stainless steel. Then, we add an extra layer of copper to the inner layer of the stainless steel and vacuum insulate each product to eliminate the transfer of hot or cold, creating a sweat free exterior. THE LIDS All of our lids are BPA free, dishwasher safe, and backed by our lifetime guarantee.