34+ Hour Temperature Control: GAZLEMHO 304 stainless steel tumblers features triple-wall insulation, keeping drinks icy cold for up to 34 hours and hot for up to 12 hours. With superior temperature retention, your favorite beverages stay perfect—anytime, anywhere Straw or Spout 2-in-1 Screw-in Lid: The thickened screw-in lid, upgraded 2-in-1 slider, and silicone sealing ring work together to create an ultra-airtight seal. Whether shaken or on the go, this travel cup stays 100% spill-proof. Plus, the secure seal locks in temperature, keeping your drinks hot and cold longer Cup Holder Friendly Traveler Mug: This 40 oz insulated tumbler features a T-shape (narrow base) design to fit most car cup holders, making it the ultimate travel companion. No more struggling to fit oversized cups in your car! And the package include a silicone boot to prevent the cup slipping and to protect the bottom of the cup Stay Refreshed All Day Long: Our extra-large 40oz tumbler holds enough drinks to keep you hydrated for hours—fewer refills, more convenience. Leakproof and sweatproof, it keeps your drinks ice-cold (or piping hot) without spills or condensation. Whether you're driving, working, or hitting the gym, this is the ultimate on-the-go hydration solution! Dishwasher Safe & BPA-Free: Enjoy hassle-free cleaning with our electro-polished interior and durable construction—toss it in the dishwasher and go! Made with premium, odor-free materials, it’s safe for any beverage: water, soda, beer, iced coffee, tea, smoothies, and more. Sip with confidence, every time Stay refreshed all day with our traveler 40oz tumbler, travel cups with lids and straws! Its large capacity means fewer refills, while the T-shape base fits perfectly in cup holders - comes with a silicone boot to prevent slipping and protect your cup. The electro-polished, BPA-free interior keeps drinks pure and is dishwasher safe for easy cleaning. Leakproof and sweatproof, it maintains temperature for cold and hot beverages - perfect for water, coffee, smoothies, or any drink on the go. Your ultimate hydration companion for commutes, work, gym, and travel