After soaking for 50 days no color change was detected in DuraFlex!


DuraFlex
standard red wine black coffee  black tea
Standard DuraFlex Redwine DuraFlex Blackcoffee DuraFlex Blacktea DuraFlex

A leading competing flexible material
standard red wine black coffee  black tea
Standard Competing Redwine Competing Blackcoffee Competing Blacktea Competing