650ml transparent tone on tone design plastic water bottle manufactured from Tritan material BPA free it has a special screw on lid which made of cork the Jacob bottle is not dishwasher safe handwashing is recommended. Not intended for use with hot liquids or carbonated beverages do not subject to high temperatures for long period of time do not boil or fill bottle with boiling water. Each bottle has a instruction sheet. Please Note: The lid must be twisted to open do not putt in case of damage