Set yourself up for success when you make this vacuum insulation tumbler your next giveaway! The unique food-grade sip-through lid tumblers keep your beverage cold for 24 hours or hot for 6 hours. It's made of sleek food-grade stainless steel, compact enough to fit in most car cup holders, and portable enough to carry around. This 100% BPA-free, non-toxic item ensures a clean drink without metal flavors and is made with high-quality, durable material. Bring more awareness to your business!