Using integrated UV-C LED lights, the LARQ bottle is the world’s first self-cleaning water bottle & purification system. It also won a coveted Red Dot Design Award. The light technology built into the bottle eliminates up to 99.9999% of bio-contaminants, providing fresh, clean drinking water in just 60 seconds. Every 2 hours, the LARQ turns on automatically to keep your water & the bottle fresh. Available in 17 & 25-ounce sizes.