Come and see our amazing products. Made of high-quality glass and silicone. BPA free and odorless. Colorific silicone sleeve not only make the glass tumbler looks more beautiful, but also provide a soft and non-slip touch when holding it.When filling hot water, it has the function of preventing heat. Feature with a polypropylene lid and heat sleeve, easy to clean. Customize and add your company name, logo or artwork before your next event and secure added brand exposure for your business. Pls confirm further with us if any query about packing info, inventory status and time schedule.