Made from Food grade plastic , featuring a crystal clear enclosure, airtight bottle with crystal head, Classic and elegant restaurant look fits any respectable kitchen or restaurant, excellent for use with liquid beverages, ingredients. Freezer Safe and Leak Proof : These Bottles are Freezer safe and Airtight Ease of use: ensured by smoothly opening lid and neck diameter of 3.2 cm which allows only appropriate quantity of water to come out Best Usage: Office/School/College/GymBest Usage:school gym water bottle for home