The New Active Top by SIGG – a new generation of convenient drinking. Lightly carbonated drinks do not leak out of the bottle – thanks to the patent-pending, innovative technology. Made from a single piece of high-quality aluminum, making it light and strong. It keeps a tight seal, even with carbonated drinks. The highly elastic interior coating is resistant against fruit acids, is tasteless and free from BPA and phthalates. Cleaning and filling are even easier thanks to the extra-large opening of the Wide Mouth Bottle, even ice cubes will fit inside the SIGG.