Insulated Stainless Steel Tumblers

Ready to upgrade your caffeine delivery system? The affordable and sustainable solution is the stainless steel tumbler collection from Iron Flask, the makers of America's best-selling reusable coffee mugs. Our popular products include:

. . . and more! Buy your own tumbler with straw coffee mug today and enjoy your favorite caffeinated drinks with no need for disposable cups.  

Along with the sustainability factor, our stainless steel tumbler is designed with every convenience in mind. Iron Flask’s tumbler with straw product is versatile enough to be used for both hot and cold beverages, with a double wall of vacuum insulated stainless steel that maintains temperatures for hours. 

Our stainless steel tumbler collection features several different models to meet all your needs. Built for convenience and top performance, the Classic Tumbler with straw line comes in 16 oz, 24 oz and 32 oz sizes, plus two stainless steel straws, two BPA free straws, and two straw cleaning brushes for easy sanitation. This popular stainless steel tumbler is also cup holder friendly and has a clear press-in lid for mess-free sipping on hot beverages. Available in a selection of eye-catching colors and patterns, these cute tumblers are easy to coordinate with all your everyday gear.

The Iron Flask tumbler with lid collection also features the Nomad, which has a sleek yet substantial build, plus one splash-proof insulated straw lid, one leak-proof flip lid and two BPA free straws. Available in a variety of sizes, this popular insulated tumbler with straw item also fits in most cup holders, making it the convenient option for staying caffeinated — whenever and wherever. 

At Iron Flask, we also carry the popular Rover Tumblers, which have a sleek curve shape that can hold plenty of your favorite beverages. With double-walled vacuum technology, this large stainless steel tumbler cup can keep drinks cold for up to 20 hours and hot for up to 5 hours. The Rover Tumbler is comes with a clear tritan flip lid that is 100% leak proof and two BPA free straws.

If you’re looking for the best, most affordable tumblers with lids and straws, shop at Iron Flask today!

Tumbler Frequently Asked Questions (FAQ's):

What is a tumbler cup?

The Iron Flask tumbler shares many of the features and benefits as our best-selling water bottle, and is ideal for sipping both hot and cold beverages. It comes with a cup-holder friendly shape and wider top, and also includes a double wall of vacuum insulation. Our tumblers are made with premium stainless steel and sport a powder-coated finish.

What is a tumbler used for?

The tumbler is designed with a clear press-in lid and low-profile opening for easy, drip-free sipping on your favorite hot drinks like coffee, tea, or matcha. It also comes with two BPA-free plastic straws, and two non-toxic stainless steel straws and 2 straw cleaning brushes, making it versatile to use for cold drinks.

What is an insulated tumbler?

Iron Flask insulated tumblers feature a double wall of vacuum insulation that maintains hot or cold beverages for hours, so you can enjoy drinks at just the right temperature.

What is the best insulated tumbler?

With vacuum insulation, a BPA-free press-in lid, and additional accessories at no extra cost, the Iron Flask tumbler has many features that make it the best option out there. Not only is it affordable, but every purchase also comes with a 100% satisfaction guarantee and lifetime warranty against manufacturing defects.

What is the best stainless steel insulated tumbler?

The Iron Flask tumbler is made with the highest quality materials, including premium stainless steel, which is ultra-durable and never rusts. The best material for a tumbler, stainless steel is non-toxic, making it safe to use and easy to sanitize.

What is a vacuum insulated tumbler?

The Iron Flask tumbler has a double wall of vacuum insulation, which maintains hot and cold temperatures for hours, regardless of the outside temperature. This useful feature also keeps the exterior from sweating, giving you a secure grip and no mess in your cup holder.

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