1.Safe and Durable 304Stainless Steel;Coffee flask for hot drinks is made of 304 stainless steel metal material. It does not contain BPA and has a double-layer leak-proof design. Compared with ordinary cups, it is safer when used as coffee cups or other flasks for hot drinks. 2.Designed for Hot Drink lovers; Pantula leakproof coffee travel mug uses a unique vacuum insulation technology.Long-term experimental tests show that it can keep hot drinks for 12 hours and cold drinks for 24 hours. Designed for hot drink lovers such as hot water, tea, coffee, etc. 3.Lightweight and portable;This leakproof coffee cup has a lightweight slim design, which is easy to clean & carry and c It is very suitable for use at ho, outdoors, work, sports, cars, even hiking or cycling. 4.Fashion and safety design; bottles are great for women, men and kids, which are modern and simple, with a variety of colors to choose from. Double lock design, food-grade silicone seal and leak-proof safety, quick lock cover, not afraid of accidentally pressing the switch. 5.Satisfactory Customer Service:If you are not satisfied with our products or have any quality problems,Please feel free to contact us and we will provide you with the corresponding solution.