Insulated Steel Vacuum Tumbler with Straw

DOUBLE WALL VACUUM INSULATION: Double wall insulation keeps your drink hot up to 6 hours and cold up to 8 hours. PREMIUM POWDER COATING SURFACE: Powder coating allows you to hold the cup without slipping because of wet. It also allows you to hold it without worrying of possible harm from your hot drink inside the cup.18/8 STAINLESS STEEL: This cup is made with BPA free, food grade 18/8 stainless steel. This particular special material makes your drink safe from compromised taste or smell due to material deterioration. ERGONOMIC SIZE: Its size and shape are both adopted from the normal paper cup design--making it easy to hold and fit in most cars' cup storage or holders. LEAKPROOF: The silicone sealing strip inside the lid strengthens the sealing ability and prevents water leakage. WIDE MOUTH: Convenient pouring of any of your favorite drinks inside. Easy to clean.