The caps, inner bottles, and collars are made from PCR materials.

 Renewables can help to reduce the environmental pollution.

 More and more brands are joining with global environmental friendly trend.

The outer bottles are made from eco-friendly material, 

which is a kind of High-temperature-resistant and transparent bio-based plastics upgraded from PETG/PCTG.   

They comply with FDA food grade certification. 

The refillable function design is the main feature of the patent. 

 Both caps and bottles can be reused