Everyone loves unicorns – so do SIGG! This high-quality, reusable VIVA drinking bottle is made of transparent polypropylene, so that you can always see how much (or little) you have already drunk. All materials are 100% recyclable and free from harmful substances such as estrogen-active substances and phthalates ?? for safe drinking pleasure. The innovative ONE closure makes the bottle even more convenient: Carrying, opening, drinking, closing and securing all work comfortably with one hand. Off to new adventures.