ONE-HAND OPERATION: Drinking water made easy... at the simple push of a button. This SIGG bottle is designed with a ONE top allowing for a hygienic drinking experience with a top that doesn't collect dust or dirt. SUSTAINABLE STATEMENT: The WMB ONE is a cool water bottle that makes the ideal tireless companion for all adventure seekers. A CO2-neutral eco friendly water bottle made of recycled aluminium, born out of a passion for design and the outdoors. LEAKPROOF & LIGHTWEIGH: This metal water bottle is fully spillproof, even if held upside down with carbonated beverages, and crafted from light yet robust aluminium to face new adventures. SAFE DRINKING: All materials used to design SIGG water bottles are free of harmful pollutants, such as oestrogenic substances and phthalates. Enjoy every sip out of this BPA free water bottle, ensuring a neutral smell and taste. MADE IN SWITZERLAND: SIGG bottles up over 110 years of experience designing the finest drinking bottles. Excellence and innovation meticulously manufactured from the combination of love for metal and design.