Sustain is the first brand of all natural, vagina-friendly essentials. We make everything from tampons, to condoms to lubricant. Founded by Jeffrey Hollender, Meika Hollender, and Sheila Hollender in 2013, Sustain is backed by investors that include CircleUp, Flat World Partners, Heidi Zak, Justin Rosenstein, The R-Group, and LLC and is headquartered in New York.