Introducing the Custom Stanley Cup 30 oz Tumbler With Handle from Stormmerch, your ideal Stainless Steel Tumbler Cup for maintaining optimal beverage temperatures. Product Details: Size: 30oz capacity with slide lid and clear straw. Material: 304 stainless steel, BPA-free, reusable, and eco-friendly. Insulation: Double-wall vacuum keeps drinks cold for 12 hours and hot for 6 hours. Compatibility: Fits in various cup holders; perfect for coffee, tea, and more. Care: Hand wash recommended. Perfect for daily use, this tumbler is a must-have for anyone on the go.