Stars’ Little Beauty Secrets: "Stay hydrated through the day”. Our new glass Star is pure glamour! Are you on a shopping spree with your girlfriends, leaving for that dream surprise weekend or working until late on that report to Corporate? Star is your companion: chic, resistant and high-quality, in 5 trendy colors. Star bottles are manufactured to SIGG’s quality and performance standards: hand made of pure, high-performance thermal glass, and individually controlled to ensure flawless performance. Our Swiss quality-control experts conduct in-depth tests to ensure a total absence of BPA or estrogens in your bottle. A Star glass bottle also shows your engagement with a better environment: no more empty plastic bottles, a glass bottle can be entirely recycled.