The H2O bottle is not just a regular bottle. This is a water bottle made of the material tritan. This material is BPA free. The plastic is super strong, light weight and is clear plastic. Also dishwasher safe and freezer safe. Would you like to have more information about the material, click on download below and here you will find some extra information. The volume of the bottle is 500 ml. The H2O Bottle can be personalized with an engraving or a Max Print around the bottle.