Sip, Savor, and Shine! ✨ Sip worry-free with our secure, dust-proof lids. Reusable and BPA-free for a sustainable lifestyle. Keeps drinks hot for 6 hours, cold for 12 hours. Elevate your drink game with 12 vibrant colors! Ideal for home, office, travel, and outdoor adventures. 20oz Capacity 12hr Cold Retention 18/8 Stainless Steel This 12-pack of 20oz skinny tumblers is crafted from durable 18/8 stainless steel with double wall vacuum insulation, ensuring your beverages stay hot or cold for hours. Each tumbler features a leak-proof lid with a removable sealing ring, making it perfect for on-the-go hydration. With a stylish design and a variety of colors, these tumblers are ideal for any occasion, from casual outings to themed parties.