Product Description:Our 360ml 12oz double-walled stainless steel insulated egg shape wine cup is designed to keep your drinks cold for 9 hours or hot for 3 hours. Made from high-quality 304 stainless steel, this travel coffee mug ensures durability and safety. The ergonomic egg shape fits comfortably in your hand, making it perfect for wine, coffee, and other beverages. Customize these wine tumblers with your logo for a unique and personalized touch, ideal for promotional events or as gifts. The sleek design and effective insulation make it a must-have for any drink enthusiast.