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The Best Flat Water Bottles for Traveling

When traveling, we aim to pack as light as possible. We choose the wardrobe, footwear and toiletries we want to bring along carefully. Hydration is also an essential—flights can leave our bodies parched so a water bottle should be included in your carryall as well. However, most water bottles can be bulky and it adds more weight to our bags and backpacks. Hence, what you need is a slim water bottle that will not command so much room. Here are some of the best options in the market that will fit your smart luggage packing needs.

Buyers Guide

  1. Why go for a reusable water bottle for traveling?

    Answer: One of the main advantages of reusable water bottles is it minimizes plastic waste. It’s not only our surroundings that benefit from a reduction in plastic waste, but our oceans as well. In addition, bottled water is just the same as those coming from tap—lots of companies manufacturing bottled water products get their H2O from tap water, which you can actually get gratis at home. If you want to get quality water at home, you can purchase a high-quality filter to rid your agua of harmful germs and contaminants. Furthermore, it saves you money. As mentioned earlier, tap water virtually costs less compared to bottled water. In addition, using a reusable water bottle can help inspire other people to use such items too.

  2. What factors should I consider when choosing the best flat water bottles?

    Answer: First, you need to consider the durability of the material. The best ones are made from high-quality, hardwearing material so you can reuse it again and again, thereby saving you money and allowing you to help reduce plastic wastage for a longer period of time. Good ones also come with working temperature control—this means it can retain hot and cold content decently. If you are after looks, lots of flat water bottles feature a chic and hip, slim design—it’s a good aesthetic piece for minimalists. In addition, get something with a size that best fits your activities. If you want hassle-free maintenance, you can choose to get a flat water bottle that is dishwasher-friendly.

  3. How do you clean flat water bottles?

    Answer: Flat water bottles have a slim built thus you cannot really use a standard brush to clean its insides—thus it’s recommended mostly for water use only. For a daily wash, you can fill the bottle with hot water, dispenses a few drops of liquid dishwashing detergent in it, put the lid back on then shake the content, allowing the blend to bubble up. Remove the suds then fill the bottle with water once more. Return the lid on the bottle. Shake it vigorously to rinse all suds. Do the rinsing part again to take away remaining suds. Don’t forget to clean the mouthpiece and external parts as well. You can also use the distilled white vinegar method—fill the bottle halfway with a mix of water and vinegar. Put the lid back on and shake the bottle before allowing the solution to immerse overnight. Rinse the water bottle well the next day with warm water to take away the vinegar solution. Allow to dry.

Our Top Picks


A6 memobottle

  • 12 oz capacity
  • Made from BPA-free plastic
  • Leakproof and freezeproof
  • Made to fit

The A6 memobottle is a dishwasher-friendly, durable handy water bottle with an excellent built and design that is perfect for the rigors of long journeys. It is made from strong, hardwearing BPA-free plastic material that is freezerproof to boot. The bottle also features a stainless steel lid supplemented by a chic and sleek appearance. It is further complemented by a polished matte black packaging. It’s so slim that you can stash the bottle in your purse.


MoChic Flat Water Bottle

  • 12.96 oz capacity
  • Distinctive slim book design
  • Made from BPA-free quality Tritan plastic
  • Has soft TPU plastic

The MoChic Flat Water Bottle has a seamless, ultra-fashionable slim design too which will delight stylish travelers. The flat design fits just about any bag. It may even find its way to your clothing pockets. It’s crafted from high-quality, BPA-free Tritan plastic and has an ABS plastic lid supported by a food-grade inner silicone pad. All of those materials including the ones used for the packaging are 100 percent recyclable too. For a good grip, the bottle is also wrapped in soft TPU plastic. The lid twists securely to prevent leaks.


Hydrapak Stow Collapsible Water Bottle

  • 16 oz capacity
  • Made from scratch-resistant TPU material
  • Can be flattened and rolled for storage
  • Leakproof and durable

The Hydrapak Stow Collapsible Water Bottle also makes for a good on-the-go water bottle since it’s lightweight and durable, A bit thicker compared to standard flat water bottles, this one will still fit bags and backpacks without demanding plenty of space. The bottle comes with a collapsible design—it can be flattened once removed of contents and rolled for storage. The bottle is crafted from TPU material that is dishwasher and freezer-safe and includes a spill-proof drinking nozzle that self-seals. Free from BPA and PVC content.


E-Senior Collapsible Water Bottle

  • 20 oz capacity
  • 100% food-grade BPA-free silicone
  • Packable, rollable design
  • Leakproof rotatable cap

The E-Senior Collapsible Water Bottle is crafted from fine food-grade, non-toxic and odorless silicone that can tolerate the demands of various activities from traveling, hiking, camping, trekking and sports practice. The nifty design of the bottle differs from regular ones since it features a collapsible design, meaning it can be flattened and rolled up for storage. In addition, its width is still smaller compared to tube-type regular water bottles so it fits most bags and bacpacks. It is also still slim enough to fit inside most clothes pockets.


Gelible Clear Reusable Slim Flat Water Bottle

  • 14 oz capacity
  • Has elegant design
  • Multipurpose bottle
  • Made from BPA-free odorless plastic

The Gelible Clear Reusable Slim Flat Water Bottle is an elegant and trendy way to tote your agua. This one is safe for long-term use since it’s made with durable BPA-free plastic that’s odorless and toxin-free. Since this one features a slim design, this option fits most bags, backpacks and carriers as well. Great for both indoor and outdoor use. Lightweight and will not add too much load on your bags.


Nalgene Wide Mouth Rectangular Bottle

  • 32 oz capacity
  • Made with high-density polyethylene HDPE
  • Space-saving flat design
  • Has leakproof twist-off cap

Take along a larger amount of H20 with you for sports practice, but do it the classic way. The Nalgene brand have designed and made a lot of reliable water bottles for consumer usage and the company’s lines have always been snatched up due to its durability and efficient features. It is made from sturdy hardwearing HDPE, built with a strong wall construction with straight sides for a better fit inside backpacks and bags. In addition, it has a wider mouth for hassle-free dispensing of H2O.

It is important to bring along reusable water bottles while traveling. That way, you can stay hydrated and acquire enough stamina to brave long-haul flights. Regular reusable water bottles are reliable, but flat water bottles are more practical if you intend to save on space.