The Thermos Vacuum Insulated Tumbler 300Ml Japan Stainless JDI-300 S is the ideal companion for your hot or cold beverages. Made with stainless steel and featuring double-wall construction, this tumbler keeps drinks hot for up to 5 hours and cold for up to 9 hours. Its easy-to-grip shape and lightweight design make it perfect for on-the-go use. With a capacity of 300ml and BPA-free materials, this tumbler is a must-have for anyone looking to enjoy their drinks at the perfect temperature.