Meet the 4L Stainless Steel Vacuum Thermos Flask — a large-capacity, customizable insulated bottle built for life on the move. Crafted from stainless steel in Anhui, this vacuum flask keeps drinks hot or cold for up to 48 hours, making it a reliable companion for work, travel, and hospitality environments. Why this 4L vacuum thermos stands out Exceptional capacity: 4L to serve groups, with 2L and 3L options also available to fit different needs. Rugged stainless steel construction: Designed for daily use in homes, offices, hotels, restaurants, cars, and bars. Long-lasting insulation: Vacuum-insulated performance preserves heat and cold for up to 48 hours. Boiling water compatibility: Suitable for pouring boiling water when you’re preparing beverages on the go. Customizable aesthetics: Choose a customized color and add a customized logo to match branding or event themes. Versatile beverage support: Ideal for coffee, tea, beer, and water—perfect for gatherings, catering, or staff hospitality. Premium presentation: Includes Gift Box packaging with options for custom packing to elevate corporate gifting. Design and specs: Model l-1029, straight cup shape, classic style, weight approximately 1.5 kg, origin Anhui. Who it’s forThis 4L vacuum flask is ideal for teams, event organizers, hotels, restaurants, and busy households that need a single, dependable vessel to serve many people without constant refills. The ability to customize color and logo makes it a standout branded item for corporate gifting, hospitality programs, or promotional events. Use cases and scenarios Group travel or long commutes where beverages retain heat or stay refreshingly cold. Office break rooms, hotel lounges, or catering setups requiring consistent temperature across multiple servings. Events, conferences, and banquets where branded drinkware enhances guest experience and recognition. Restaurants or bars that need a practical, high-capacity option for hot drinks, cold drinks, or water. What makes it practical and cost-effectiveWith up to 48 hours of insulation, you can minimize refills and reduce waste during busy days or multi-day events. The large capacity lowers the number of vessels you need to manage and helps keep service efficient without sacrificing temperature performance. Customization and packaging options Color customization: Select a color that aligns with your brand or event identity. Logo customization: Accepts customized logos to reinforce branding on every flask. Packaging: Gift Box included, with optional custom packing to suit corporate gifting or special occasions. Origin and model: Made in Anhui, Model l-1029, 4L capacity, Straight Cup, Classic style, weight ~1.5 kg. Product name 2L,3L, 4L, large-capacity thermos flasksMaterial 304 stainless steel Heat preservation duration48 hours Color Black, red, silver, gold, blueMinimum starting quantity1 piecesStyleSports water cup
Description
Meet the 4L Stainless Steel Vacuum Thermos Flask — a large-capacity, customizable insulated bottle built for life on the move. Crafted from stainless steel in Anhui, this vacuum flask keeps drinks hot or cold for up to 48 hours, making it a reliable companion for work, travel, and hospitality environments. Why this 4L vacuum thermos stands out Exceptional capacity: 4L to serve groups, with 2L and 3L options also available to fit different needs. Rugged stainless steel construction: Designed for daily use in homes, offices, hotels, restaurants, cars, and bars. Long-lasting insulation: Vacuum-insulated performance preserves heat and cold for up to 48 hours. Boiling water compatibility: Suitable for pouring boiling water when you’re preparing beverages on the go. Customizable aesthetics: Choose a customized color and add a customized logo to match branding or event themes. Versatile beverage support: Ideal for coffee, tea, beer, and water—perfect for gatherings, catering, or staff hospitality. Premium presentation: Includes Gift Box packaging with options for custom packing to elevate corporate gifting. Design and specs: Model l-1029, straight cup shape, classic style, weight approximately 1.5 kg, origin Anhui. Who it’s forThis 4L vacuum flask is ideal for teams, event organizers, hotels, restaurants, and busy households that need a single, dependable vessel to serve many people without constant refills. The ability to customize color and logo makes it a standout branded item for corporate gifting, hospitality programs, or promotional events. Use cases and scenarios Group travel or long commutes where beverages retain heat or stay refreshingly cold. Office break rooms, hotel lounges, or catering setups requiring consistent temperature across multiple servings. Events, conferences, and banquets where branded drinkware enhances guest experience and recognition. Restaurants or bars that need a practical, high-capacity option for hot drinks, cold drinks, or water. What makes it practical and cost-effectiveWith up to 48 hours of insulation, you can minimize refills and reduce waste during busy days or multi-day events. The large capacity lowers the number of vessels you need to manage and helps keep service efficient without sacrificing temperature performance. Customization and packaging options Color customization: Select a color that aligns with your brand or event identity. Logo customization: Accepts customized logos to reinforce branding on every flask. Packaging: Gift Box included, with optional custom packing to suit corporate gifting or special occasions. Origin and model: Made in Anhui, Model l-1029, 4L capacity, Straight Cup, Classic style, weight ~1.5 kg. Product name 2L,3L, 4L, large-capacity thermos flasksMaterial 304 stainless steel Heat preservation duration48 hours Color Black, red, silver, gold, blueMinimum starting quantity1 piecesStyleSports water cup





















