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Founded 2010
Founder Sarah Kauss
Headquarters Manhattan, New York
Products Water bottles
Website www.swellbottle.com

S'well is a reusable water bottle company headquartered in Manhattan, New York.[1][2][3][4] Sarah Kauss founded the company in 2010 and is the company's CEO.[5][6]


S'well was founded by Kauss in 2010.[7] Kauss started the company after attending a panel at her five-year Harvard Business School reunion focused on the global clean water crisis.[8] She initially invested $30,000 of her own savings and operated out of a brownstone in Manhattan. A year after the company launched, S'well experienced what is widely referred to as the "Oprah Effect" after being featured in O, The Oprah Magazine.[5][7][9] From 2013 to 2014, the company's revenue had grown 400 percent, generating $10 million in sales by the end of the year.[9][10] S'well's operations relocated to the Flatiron District of Manhattan in 2015.[11] By May 2015, S'well had sold 4 million bottles.[12] In 2016, Forbes reported that the company was listed first in a ranking of the fifty fastest growing women-owned or led companies after revenues increased from $10 million in 2013 to $47 million in 2015. The growth rate resulted in a listing on Crain's 2016 and 2017 Fast50.[13][14] In 2016, Forbes reported that S'well had over $100M in sales.[15]

In 2017, the company increased staff at its London headquarters and expanded its retail sales to 65 countries worldwide.[16] That same year, the company relocated its Manhattan headquarters to a larger office space.[17]


The company sells bottles that hold 9 US fluid ounces (270 millilitres), 17 US fl oz (500 ml) or 25 US fl oz (740 ml). The bottles are reusable and include triple-walled insulation.[18][19] The manufacturer claims the bottles are non-leaching, non-toxic and maintain the content's temperature for 12 to 24 hours.[20][21]

A 2015 consumer report tested the efficacy of the S'well bottle. Initially filling the bottle with water at 40 degrees Fahrenheit (4 degrees Celsius), the testers compared changes in temperature using a regular plastic bottle as the control. After five hours, the plastic bottle's water temperature read 79 °F (26 °C) while the S'well's water read 41 °F (5 °C). After twenty-four hours, the plastic bottle's water was at 84 °F (29 °C), the S'well's water at 69 °F (21 °C). Testing the product's heat retention claim, the testers filled the bottle with hot coffee. The initial temperature was above 168 degrees Fahrenheit (76 degrees Celsius). Six hours later, the thermometer read more than 140 °F (60 °C). Twelve hours later the temperature was 126 °F (52 °C), dropping more than 40 degrees Fahrenheit (4.4 degrees Celsius).[22]

In March 2016, S'Well released S'ip by S'well, a line of 15oz bottles sold through retail chain Target.[23][24]

As of November 2017, the company produced bottles in over 200 different designs.[25] S'well added new bottles named the Traveler and the Tumbler in 2017.[26] In 2018, the company added the Roamer, a large bottle to its line.[27]


  1. ^ Andrew Liszewski (April 28, 2011). "S'well Insulated Stainless Steel Bottles". Retrieved March 13, 2015. 
  2. ^ "S'well Bottle Keeps The Hot Side Hot and The Cool Side Cool". December 10, 2012. Retrieved March 13, 2015. 
  3. ^ "S'well: A Better Reusable Water Bottle?". Retrieved March 13, 2015. 
  4. ^ "The S'Well Idea That Built a Better Water Bottle". March 9, 2015. Retrieved May 6, 2015. 
  5. ^ a b "How S'well swelled". October 9, 2014. Retrieved March 13, 2015. 
  6. ^ "What a 'S'well' idea: Stylish bottles benefit WaterAid". December 22, 2012. Retrieved March 13, 2015. 
  7. ^ a b Annie Pilon (June 4, 2015). "Startup Aims to Eliminate Plastic Bottles with Better Looking Alternatives". Small Business Trends. Retrieved July 28, 2015. 
  8. ^ Gabriela Motroc (March 19, 2015). "Tax Auditing didn't make her a millionaire, a water bottle did". Australian National Review. Retrieved July 28, 2015. 
  9. ^ a b Parija Kavilanz (May 22, 2015). "She's $10M closer to replacing plastic bottles". CNN. Retrieved June 8, 2015. 
  10. ^ "The Broadsheet: October 13th". October 13, 2014. Retrieved March 13, 2015. 
  11. ^ "Entrepreneur is all about the bottle—as long as it matches her outfit". April 3, 2015. Retrieved May 6, 2015. 
  12. ^ "The S'Well Idea That Built a Better Water Bottle". March 9, 2015. Retrieved May 6, 2015. 
  13. ^ "Fast50: New York's Fastest Growing Companies". Crain's New York Business. 2016. Retrieved 26 November 2016. 
  14. ^ "Crain's Fast 50". Crain's New York Business. 
  15. ^ Sorvino, Chloe. "Why S'well Bottle Founder Sarah Kauss Is One Of America's Most Successful Self-Made Women". Forbes. Retrieved 2017-08-23. 
  16. ^ "S'well Founder Sarah Kauss Is Saving the Planet, One Bottle at a Time". City A.M. 
  17. ^ "Bottle Maker Quadruples Manhattan Office Space". The Wall Street Journal. 
  18. ^ "10 Gadgets for Equipping Your Perfect Desk". Retrieved March 13, 2015. 
  19. ^ "S'well Water Bottles Review". Hydration Anywhere. 
  20. ^ "S'well Bottles Tap into an Appreciation for Fashion and Function". August 18, 2015. Retrieved October 28, 2015. 
  21. ^ Michael Grothaus (August 18, 2015). "How S'well Designed Its Way Into 3,300 Starbucks Stores". Fast Company & Inc. Retrieved October 28, 2015. 
  22. ^ KWCH. "DIW: S'well bottle". Retrieved 2015-09-10. 
  23. ^ Daniel Roberts (March 1, 2016). "Why Target is going big on this small water-bottle startup". Yahoo Finance. Retrieved July 22, 2016. 
  24. ^ Michele Foley (March 3, 2016). "Target and S'well Just Combined Forces For the Prettiest Water Bottles We've Ever Seen". Popsugar. Retrieved July 22, 2016. 
  25. ^ "S'well Looks to Textiles for Art and Design Inspiration". WWD. 
  26. ^ "S'well Debuts Tumblers at NY Now". HomeWorld. 
  27. ^ "S'well Launches Growlers and They're Pretty Nice". Gear Patrol.