Introducing the Custom Stanley Cup 40oz Tumbler With Handle, your ideal Stainless Steel Tumbler Cup for maintaining optimal beverage temperatures. Product Details: Size: 40oz 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…