MUCHENGHY 20oz Tumbler with Lid and Straw, Double Wall Stainless Steel Vacuum Insulated Tumblers, High Sealing Leak-proof Travel Coffee Mug for Hot and Cold Drinks(Ocean, 12 Pack)

• New Design Splash-Proof: Unlike other tumbler with pop-in lid. MUCHENGHY 20 oz tumbler feature a new locking system and double threaded twist design, upgrade insulated and waterproof performance, avoid spilling drinks while carrying. Therefore, them are not only suitable for, home and office, but also perfect for driving, outdoor and travel. Longer lasting Insulation: MUCHENGHY travel adopted double wall vacuum insulation and sealing technology is used to keep your drinks at the perfect temperature long. Tumbler keeps your drink hot for up to 6 hours or cold for up to 20 hours. Safety and Environmental Protection: The coffee tumbler is made of unbreakable 304 18/8 food grade stainless steel, which is 100% BPA free and non-toxic. It will never leave a metal taste or rust. Reusable stainless steel straw reduces plastic waste. Hand washing insulated coffee tumbler are as clean as new without stains. The Best Gift Choice: This tumblers bulk ​is ideal for on the go or any other occasions, it will be your favorite one. Builted-in matching colored flip lid, fashion style and packaging fit for gifting to your partners, friends, families, wedding, birthday, christmas, etc. Brand Services Promise: MUCHENGHY stainless steel tumblers have undergone strict factory inspection, If you are not satisfied with your purchase for any reason, We will be the first to handle it for you., Manufacturer: MUCHENGHY