Thermos Ot-1100gy(Gray) Stainless Steel Vacuum Insulated Travel Mug With Dual Function is designed with an ergonomic handle for easy carrying and advanced double-wall vacuum insulation that keeps drinks cold for up to 12 hours. The versatile lid offers three positions—straw opening, sip opening, and full-cover leak-resistant top—providing spill-free use anywhere. Sleek, durable, and cup-holder friendly, it doubles as a coffee mug or water tumbler, making it perfect for home, office, gym, or travel.