FAQ

Explore our selection of premium Iron Flask water bottles, which include vacuum-insulated and insulated stainless steel designs that help maintain your drinks at the optimal temperature all day long. Ultra-durable materials make our bottles easy to clean – they never rust or impart metallic flavors to your drink of choice. Instead, you’ll enjoy tasty, convenient, and stylish sipping wherever your day might take you.

We offer a wide range of environmentally friendly bottles in a variety of fun styles and sizes that are perfect for use at home, in the office, or on your next adventure.Our bottles are also adaptable and long-lasting for children to use on playgrounds and other outdoor activities. From little league games to family hikes, Iron Flask has you covered.

From the large one-gallon to our convenient narrow mouth bottle design, Iron Flask’s five water bottles are designed to suit every individual’s drinking needs:

1. Double-walled vacuum insulation keeps exterior dry
2. 18/8 high-grade, non-toxic stainless steel
3. Powder-coated finish for durability

Our wide mouth water bottles are popular for those who prefer to gulp or chug rather than sip. The convenient design allows you to add ice effortlessly and thoroughly clean your bottle after use. Each bottle ships with three 100% leak-proof lids: a straw lid, a flip lid with handle, and a stainless steel screw-on lid. Size options include 14 oz, 18 oz, 22 oz, 32 oz, 40 oz, and 60 oz. 

The Iron Flask narrow-mouth water bottles are made to keep beverages cold for up to 24 hours and hot for up to 12 hours. Perfect for taking your favorite beverage on the go, our narrow-mouth water bottle features a leak-proof spout lid for mess-free drinking and precise pouring. Each comes with a flip lid and a handle lid for added convenience on your adventures. Size options include 12 oz, 16 oz, 20 oz, 24 oz, 32 oz, and 64 oz.

One-gallon water bottles make meeting your hydration goals a breeze holding 128 oz of your favorite beverage. The thoughtful design allows you to sip your drink effortlessly. This vacuum-sealed bottle can keep your drinks cold for up to 24 hours and hot for up to 12 hours. One spout lid included with purchase. Size options include half gallon and one gallon bottles.

Retro water bottles blend old-school aesthetics with contemporary functionality. Our vintage-inspired retro water bottles have a sleek, classic shape and keep your drinks hot for up to 10 hours, cold for up to 24 hours. Each comes with a bottle brush for easy cleaning. A leak-proof screw-on lid is included. Size options include 17 oz and 25 oz bottles.

Our kid’s water bottles feature a leak-proof straw lid with a carry handle, and vacuum insulation that keeps drinks cold for up to 14 hours. These water bottles even come with name stickers for personalization. Made from 18/8-grade stainless steel, the Kid’s water bottle is durable and doesn't add metallic taste to your drinks. Available in both 10 oz and 14 oz sizes.