Come and Check Our Branding Solutions.No Bad Smell Coffee Thermos: This coffee thermos use 304 food grade stainless steel which greatly outperforms 18/8 food grade stainless steel in anti-oxidation and corrosion resistance, would not bring a metal taste or rust. Would not to change the taste of the liquids (like tea, coffee and juice). Pls check inventory and detailed info before placing your orders.