The United States throws out around 108 billion disposable cups per year, so there’s a lot of room for improvement here. Bring your own water bottle with you to cut down on waste at home and in the office. The following travel tumblers are the best for keeping your water, coffee, or tea at the temperature you want.

The best: Zojirushi Stainless Steel Mug

Sleek Design

Comes in a whole bunch of snazzy matte colors. Amazon

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These Zojirushi travel mugs come in either 12 or 16-ounce sizes, are made of stainless steel, and have a wide mouth (key for fitting ice cubes!). They genuinely keep hot drinks scalding. The mugs are slimmer than other models on the market and boast a tight-fitting and lockable lid to aid in heat retention.

Techiest: Ember Travel Mug

Upgrade Pick

Choose your ideal temperature to the degree. Amazon

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Ember mugs are the most wonderful gift given to coffee lovers. The 12-ounce electronic Ember travel mug keeps your coffee at a precise temperature for up to two hours on a single charge. You can use the adjustable dial located on the bottom or use their smartphone app to select your desired temperature—between 120-145 degrees Fahrenheit. The mug is waterproof up to 1 meter, has a leak-proof lid, and displays your temperature on the built-in LED screen. It comes with a charging coaster.

Best all-purpose: Hydro Flask

Lid You Can Hold Onto

The larger opening makes it easy to drop in ice cubes. Amazon

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The stainless steel Hydro Flask wide-mouth bottle features Tempshield insulation that boasts that claims it can keep your drinks hot for up to six hours and cold for up to 24. The bottle comes in 18, 32, 40, and 60-ounce sizes, over twenty colors, and features a powder coating on the outside for easier gripping. The lid has a flexible strap so you can easily hang the bottle up when you aren’t using it.

Can take a hit: YETI Rambler Tumbler

Rugged Choice

Rugged option that fits all standard cup holders. Amazon

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The BPA-free 20-ounce YETI Rambler tumbler is made of stainless steel and uses a magnetic sliding lid to prevent any liquid from leaking out. The double-wall, dishwasher safe container also has a fade-proof color grip.

Most color options: Simple Modern Slim Cruiser Tumbler

Pick The Style That Matches You

No matter the weather, if you’re outside all day, you’ll need to stay hydrated. Amazon

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The double-walled, vacuum-insulated, stainless steel bottle from Simple Modern keeps cold drinks cold for up to 24 hours, and hot drinks hot for up to 12 hours. There are three sizes to choose from and over 40 colors. It comes with two black straws and a flippable, splash proof lid.