A new generation of convenient drinking by new Active Top. Thanks to the patent-pending and innovative technology Lightly carbonated drinks do not leak out of the bottle. SIGG historical technology on a single piece of high-quality unique aluminium makes it ultra light and durable. It keeps a tight seal, even with carbonated drinks. With a long straw inside the bottle, it can drink to the last drop. 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 bottle. This bottle NAT Significant Black 1.0L belongs to the Active range of SIGG water bottle.