10 Best Narrow Mouth Water Bottle of December 2025

• IRON FLASK NARROW MOUTH STRAW LID PACKAGE INCLUDES: 2 LIDS, 4 STRAWS, AND 2 CLEANING BRUSHES! *Instructions for straw trimming for your fit is in the package*
• FULL COMPATIBILITY: This straw lid ONLY fits all narrow/standard mouth bottles of different sizes with similar threading to Iron Flask.
• FUNCTIONAL DESIGN: *PATENT PENDING* The Iron Flask Narrow Mouth straw lid is easy to carry and drink from. It can also be used as a straw lid or a sports lid (without attaching a straw). Not for Hot Liquids as pressure may build within the bottle causing leakage.
• TOP NOTCH QUALITY: The Straw Lid and Straws are made of the highest quality material and are BPA free.
• 100% SATISFACTION GUARANTEED: We guarantee that the high quality Iron Flask Straw Lid will surely please you! If, for any reason, you are not 100% satisfied with the Iron Flask Straw Lid, we will issue you a full refund or an exchange!

IRON °FLASK

Nalgene

• One of the best selling water bottle designs for over 20 years.
• BPA free! Dishwasher safe and guaranteed for life.
• Bottle is able to hold over 32oz of any drink hot or cold.
• Narrow mouth design for easy, splash free drinking
• Made in the USA. Packaged in a set of two.

Nalgene

• INSULATED SPORTS WATER BOTTLE: Goodbye sweat! The narrow mouth double wall insulation makes the Iron Flask sweat-free! It keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours. *NOTE: ONLY the 12 Oz, 16 Oz, 20 Oz & 24 Oz fit in cupholders*
• 3 LIDS: YES, Iron Flask comes with THREE different 100% LEAK PROOF lids. Our Patented Straw Lid, Flip Lid, and a Handle Lid.
• 18/8 PREMIUM STAINLESS STEEL: The Iron Flask is made of 18/8 Stainless steel that is 100% BPA free and non-toxic. It will never leave a metal taste or rust. HAND WASH ONLY WITH SOAPY HOT WATER!
• FUNCTIONAL DESIGN: The powder coat exterior finish is a classic. It assures that you stand out with a very durable and elegant bottle. Our logo is now LASER ENGRAVED to assure the highest quality as well.
• 100% SATISFACTION GUARANTEED: We guarantee that the high quality Iron Flask bottle will surely please you! If, for any reason, you are not 100% satisfied with the Iron Flask, we will issue you a full refund or an exchange!

IRON °FLASK

• Originals insulated water bottle: Takeya originals stainless steel water bottle keeps beverages ice-cold for 24 hrs., and hot for up to 12 hrs. with double-wall insulation. This BPA-free, food-grade water bottle won't transfer flavors and does not sweat. 40 Ounce, White
• Leak-proof spout lid: this insulated stainless steel water bottle comes with an innovative, leak-proof, spout lid that allows for easy one-handed drinking or pouring. It features an innovative hinge lock that keeps the cap out of your way while drinking
• Premium bottles and lids: Our innovative Line of insulated hydration solutions come in a range of sizes. We offer water bottles in 18, 24, 32, 40, and 64 oz sizes, tumblers in 20 and 30 oz sizes, and Beverage makers and pitchers in 1 quart and 2 quart sizes
• BPA Free Hydration Solutions: From insulated stainless steel water bottles to beverage makers and pitchers, as well as a variety of product accessories, Takeya USA products help you stay cool, refreshed and hydrated for an active, on-the-go lifestyle
• Innovative Hydration Solutions: Takeya brings over 55 years of Japanese design heritage to our line of insulated, BPA-free water bottles & our sustainable iced tea, fruit infusion, & cold brew pitchers

Takeya

• BPA free, made using the finest plastics and metals
• Great for use in both outdoor and indoor activities
• Great look and innovative carrying solutions for your liquids
• Narrow mouth bottle
• Printed graduations for easy measuring
• Loop-top prevents the loss of your cap
• Minimizes the chance of spills

Nalgene

• BPA free
• Virtually indestructible
• For any lifestyel or adventure

Nalgene

• PERFECT HYDRATION COMPANION: POP Design insulated water bottles will keep you hydrated throughout your day. Our double-wall flask versatile design is optimal for indoor or outdoor use. Whether you are in the office, on a hike, gym, or yoga POP design keeps your Hydro On! Looking for a great gift idea? Our vacuum-sealed hydroflask bottles make a perfect gift for women, men, and best for kids too! Available in Steel, Black, and Teakwood - 17 or 25 ounces.
• ALWAYS THE RIGHT TEMPERATURE: Your POP Design water bottle will keep your cold drinks cool and your hot drinks steaming! Our bottles feature a double layer vacuum with premium insulation that will keep liquids cold for up to 24 hours and hot for up to 12 hours. No matter what the weather’s condiion outside.
• ClearShield COATING: POP Design 18/8 food-grade stainless steel as the bottles are made out of non-toxic BPA free water bottles use our proprietary eco-friendly coating to prevent scratches and scuffs and enabling an easy comfortable and solid grip which feels great in your hand.
• NO LEAKS, NO SWEAT: Our water bottles are leak-proof with vacuum-seal cap that provides a good seal and ensures no water will spill and do not condensate (sweat), or freeze on the outside. They are easy to keep clean with just soapy water and a bottle brush.
• LIFETIME WARRANTY: At POP Design, we thrive for 100% customer satisfaction with sustainable development concept and 100% after-sales service: That’s why we offer a lifetime warranty, which includes cap replacements free of charge. If anything is not fit with your standards simply reach out to us and we will make it right! Complete customer satisfaction guaranteed!

POP

• NEW LOOK! The same great Sustain water bottle made with material derived from 50% plastic waste now has a new look. You may receive a bottle with or without the Sustain Logo on it, both are your favorite Sustain water bottles.
• Our new Nalgene Sustain product line is made from Tritan Renew, 50% certified recycled content further offsetting the use of fossil fuels and lowering greenhouse gas emissions.
• The original. The trailblazer. The Sir Edmund of water bottles. Nalgene's BESTSELLING water bottle for more than 30 years
• For Your Everyday Adventures! Take your Nalgene bottle to the gym, office, camping, exploring and everywhere in between
• Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit)
• Free of BPA, BPS and phthalates, opening accommodates most water filters; marked with milliliters and ounces for easy measurement

Nalgene

• Thanks to the smaller opening of the Narrow Mouth less water can rush out, making it easier to chug mindlessly.
• For Your Everyday Adventures! Take your Nalgene bottle to the gym, office, camping, exploring and everywhere in between.
• This Nalgene water bottle is completely leak proof, made of virtually indestructible BPA-free Tritan, easy to clean and dishwasher safe on the top rack.
• Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit).
• Free of BPA, BPS and phthalates; marked with milliliters and ounces for easy measurement.
• Whether you're looking for a virtually indestructible water bottle for a backcountry adventure, or you want a clean, green way of storing your dry pasta, you'll find a Nalgene product that gets the job done.
• Nalgene is a proud part of Thermo Fisher Scientific, for 70 years Nalgene has been making a wide range of BPA/BPS free reusable water bottles and containers to suit your personal preferences, needs and lifestyle here in the USA.
• Narrow mouth to prevent spills
• Printed graduations for easy measuring
• Loop-top prevents the loss of your cap
• BPA-free Water Bottle

Nalgene