Temperature Control: This insulated glass keeps hot drinks for 7 hours, cold drinks cold for 11 hours and ice frozen for 2 days. To stay hydrated throughout the day, our vacuum cup has a large 40 oz (1.1 L) capacity. Daily Use: To ensure that this thermos cup goes anywhere, we designed it with a sturdy handle and silhouette compatible with the car cup holder. The 3-way screw-on lid allows you to turn the straw to your liking, or you can get rid of the straw and drink without it. REUSABLE: Made of BPA-free 18/8 stainless steel, this tumbler is lightweight and durable. It also comes with a reusable straw. Safer metal 304 material will not produce heavy metals. It's safer for the body. Style: with straw Inner liner material: 304 stainless steel Shell material: 201 stainless steel Insulation performance:6-12 hours Package Included:1*Thermos Cup