Senpur bottles are made out of premium quality materials. Equipped with cutting edge UV-C light technology, Senpur bottles are able to sterilize water in 60 seconds, providing you with 99.99% pure water with every sip. Our digital bottle cap keeps track of when you last drank, and reminds you when to top up. Did we mention that our bottles are scratch resistant too? Water is essential to healthy living. Now, you can enjoy clean water anytime, anywhere.