Designed for modern lifestyles that demand both functionality and personalization, our 30oz Large Capacity Car Tumbler is the ultimate companion for on-the-go hydration, home use, and outdoor adventures. Meticulously crafted with food-grade 304 stainless steel and advanced vacuum insulation technology, this tumbler combines durability, safety, and style to redefine your daily drinking routine.1. Superior Material: 304 Stainless Steel for Safety & LongevityAt the core of this tumbler lies high-quality 304 stainless steel—a material renowned for its corrosion resistance, non-toxic properties, and ability to maintain beverage purity. The tumbler’s generous 30oz capacity eliminates the need for frequent refills, making it ideal for long commutes, road trips, or all-day work sessions. The inner wall undergoes precision polishing, resulting in a smooth, mirror-like finish that resists stains, simplifies cleaning, and adds a touch of elegance to the design.2. Advanced Insulation: Keep Drinks Hot or Cold for HoursEngineered with double-walled vacuum insulation, this tumbler delivers exceptional temperature retention. Whether you’re sipping piping hot coffee, iced tea, or cold water, it maintains your beverage’s desired temperature for hours: hot drinks stay warm for up to 12 hours, while cold drinks remain refreshingly chilled for up to 24 hours. The outer wall remains cool to the touch with hot liquids and sweat-free with cold ones, preventing condensation rings on surfaces and ensuring a comfortable grip—perfect for car cup holders or outdoor use. Car Cupholder Friendly: Tired of bulky insulated bottles? features a slimmer design than standard bottles—making it easier to hold, securely fit in your car cup holder, and slide effortlessly into your bag’s side pocket 100% Leakproof Travel Tumbler: Innovative leakproof lid design—simply push the slider to seal it completely, cup holder friendly, making it the first choice for hiking, camping, work, or the gym Comfortable Handle: With an ergonomic and sturdy handle. It is comfortable to hold and easy to carry. Our travel tumbler allows you to enjoy your drink wherever you go Ultimate 2-in-1 Lid: Designed for versatility, offering a straw for casual sips and a flip for quick gulps. Whenever and wherever, hydrate your way—fun, easy, and mess-free Perfect Capacity Insulated Coffee Tumbler:Thermal cup is designed for everyday use, travel, work, sports, swimming, camping, parties etc; These tumblers cups are also wonderful gifts options for friends and family Size 30 Ounces Color white-style Theme Sports Capacity 30 Fluid Ounces Occasion Party Brand Name FekiLoot Unit Count 1.0 Count Manufacturer JHFGASHGIUASH Material Type Stainless Steel Product Style Casual Number of Items 1 Included Components Straw Item Dimensions W x H 2.8 W x 8.7 H Manufacturer Part Number 15135215648989989865 Other Special Features of the Product Manual