High quality materials: made of high quality food grade 304 stainless steel, the coffee cup with lid is ideal for maintaining the taste and purity of your favorite drinks, rust-proof and leak-proof.
Wide range of applications: has no metallic aftertaste, coffee tumbler comes with a straw and a portable handle, is very practical and can serve you hot coffee if you want work or an ice cold drink after a hard workout or training.
⊙Wonderful Insulation Effect:Thermal coffee mug is a double-walled vacuum coffee mug that keeps your drink hot for up to 6 hours or cold for up to 7 hours and features a copper lining with triple layer insulation.