Advanced Insulation Technology:Double wall vacuum insulated prefection in a stemless wine tumbler made from lifelong Stainless Steel! Set off on your refreshing picnic, hiking or camping adventures with your water, wine, or cocktail icy-cold for 9 hours or your coffee and tea scalding-hot for over 3 hours. Safe and Durable :It is made from unbreakable 304 18/8 food grade stainless steel, with DOUBLE-WALL insulation and comes in vibrant colors, a special treatment that minimizes fading and chipping. Lid design: the lid is designed with a straw hole for cup on the surface, which is good for easy sipping with straws and helping reduce splash.Worry no more about your little adventurers breaking their smoothie/juice/water or milkshake cups. Occasion: Unbreakable and safe for kids, teenagers and adults, it is a cute, trendy and youthful colored metal wine cup, your #1 choice in home/camping/holiday/sports/ travel stainle.It also makes a Birthday, Christmas, Valentines, Mothers or Fathers Day gift that will show off your excellent taste.Note: The cup brush included in the picture is a gift product, and it is a random gift based on our existing stock. It may not be included in the package you receive, please be aware.