The 500ml intelligent vacuum mug is equipped with HD LCD touch screen for prompting real-time water temperature display. You can drink the hot or cold beverage at suitable temperature without opening and tasting. Food grade double layer stainless steel vacuum flask, best stainless steel 18/10 (SUS 316) inside, Powder coated finish, Non-slip bottom, non-toxic, No metal taste or rust. If you have new style or design for cups, we can coopearte also, welcome your calling or email. Free Shipping, Customized Big Logo.