Dishwasher-safe, Fits in standard cup holders. , 100 % waterproof, One handed closing technology for quick and easy drinking. , It is made of co-polyester, and the lid is made of polypropylene. , Wide mouth accommodates ice cubes and makes hand washing extra easy , Nalgene is a proud part of the Thermo Fisher Scientific family. For 70 years Nalgene has been making a wide range of BPA/BPS free reusable water bottles and containers to suit your personal preferences, needs and lifestyle. , Care instructions: Handwash