BPA-free Tritan material won't transfer odors or flavors to your water. The original is still the best, and still number one. This is the bottle that got it all started. Made of super-tough TritanTM , with an attached loop-top cap that won't come loose. The large opening easily accommodates ice cubes, fits most water purifiers and filters, and makes hand-washing a breeze. Dishwasher safe (top rack, please make sure it does not come in contact with heating element). It is a Tritan bottle, so that means great taste. So, what we're saying is enjoy the indestructible quality of the bottle, enjoy your liquids without the 'dreaded' plastic taste & smell, enjoy the fact that this quality bottle was manufactured in the USA. Let's you enjoy the flavors of your beverage, not your bottle. This bottle is made from Eastman Tritan TM copolyester that is manufactured without Bisphenol A (BPA). This bottle has a recycling code of 7, and is recyclable wherever recycling plastic 7 is accepted. Fits any standard bottle cage. Easy One-hand operation flip-top lid eliminates 99% of leaks.