When it comes to keeping your beverages at the perfect temperature on the go, the stainless steel small mouth flask stands out as a top choice. Our insulated small mouth flask is designed with advanced vacuum insulation technology to ensure your drinks stay hot or cold for extended periods, making it ideal for daily commutes or outdoor adventures. With a generous capacity, the 1 liter small mouth flask provides ample hydration without frequent refills, while its compact design fits easily in most cup holders and bags. For those concerned about spills, the leakproof small mouth flask features a secure screw-top lid that prevents any unwanted leaks, giving you peace of mind during travel. Speaking of mobility, our travel small mouth flask is lightweight and durable, built to withstand rough handling while maintaining its sleek appearance. Each model is crafted from high-quality stainless steel, which not only enhances durability but also ensures that no metallic taste transfers to your drinks. Whether you're hiking, working, or simply enjoying a day out, this flask combines functionality with style to meet all your hydration needs.


The stainless steel small mouth flask is engineered with precision to offer unmatched performance in various settings. It features a narrow mouth design that allows for easy drinking and pouring, reducing the risk of spills compared to wider openings. The double-wall vacuum insulation effectively maintains the temperature of your beverages, keeping hot drinks warm for up to 12 hours and cold drinks chilled for up to 24 hours. Made from food-grade 18/8 stainless steel, the flask is resistant to rust, corrosion, and odors, ensuring long-lasting use. The exterior is finished with a polished surface that is both aesthetically pleasing and easy to clean. Additionally, the flask includes a comfortable carry handle and a non-slip base for added convenience. Below is a detailed breakdown of the key specifications:

  • Material: 18/8 Stainless Steel
  • Capacity Options: 500ml, 750ml, 1 Liter
  • Insulation Type: Double-Wall Vacuum
  • Lid Type: Screw-Top with Leakproof Seal
  • Temperature Retention: Up to 12 hours hot, 24 hours cold
  • Weight: Approximately 350g (for 1L model)
  • Dimensions (1L): Height: 25cm, Diameter: 7.5cm
  • Features: BPA-Free, Dishwasher Safe (lid hand wash recommended)

For a quick comparison of our popular models, refer to the table below:

ModelCapacityInsulationLeakproofIdeal For
Standard500mlYesYesDaily Use
Travel750mlYesYesOutdoor Activities
Large1 LiterYesYesExtended Trips

Hot Products

  • Carton Bottle

    Carton Bottle

    Kudike's stainless steel Carton bottle is very durable and can accompany you for a lifetime when used properly. These double-layer insulated water bottles are made of 316 stainless steel inside and 201 stainless steel outside, making them lighter than other similar water bottles and the most portable water bottles for travel, hiking, and sports. The wide mouth design also makes cleaning super convenient, reducing trouble for your busy day!
  • Insulated Beer Mug

    Insulated Beer Mug

    The insulated beer mug is belong to Kudike, who is the brand of stainless steel bottle factory.
    Our main aim is to be the lead of stainless steel water bottle, production all products with high quality.
    We are looking for the partner who is in this water bottle industry for long time cooperation.
  • Dog Bowl

    Dog Bowl

    Our factory's new product - dog bowl, food-grade stainless steel pet basin. Vigorously promote sales and seek long-term cooperative distributors in new markets.
  • Isothermal Bottle

    Isothermal Bottle

    We are real factory, who is in isothermal bottle industry ,our main products is stainless steel vacuum insulated bottle. Our quality is higher than another factory products, because we have many quality test in every process. Choose us, believe us, I am sure, we will win-win.
  • Growler Flask

    Growler Flask

    We are a high-quality manufacturer of thermos flasks. We have a complete production chain and can produce up to 20,000 pcs growler flasks per day. We seek suitable sellers to obtain common benefits together.
  • 15oz Tumbler

    15oz Tumbler

    Kudike brand 2025 BPA-Free 18/8 Stainless Steel 15oz Tumbler Premium Mugs with Durable Ceramic Lining for Beverages.
    Manufacturer by Yongkang Jiangzhi Cup Industry Co.,Ltd, who have more than 20 years experience in stainless steel water bottle industry and 12 years OEM experience for global customers.
    If you are interesting in us ,inquiry us , believe us ,we can offer high quality bottles with appropriate price with your demand.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept