The bottle is made of 100% food grade material & is BPA free ensures a safe drinking. Crystal Clarity: Its sheer body helps to easily identify the contents & also adds beauty to the liquid that you put in, Leak Proof: The bottle has a liquid tight cap that prevents leakage & is unbreakable. Freezer safe: These bottles are compatible with refrigerator & not being curvy the bottle occupies less space. Looks pretty in the fridge or on the table top.