GTC-2000 Color changing mug

‧    Hot drinking mug

‧    Color changing from dark color to light color for hidden message

‧    It will changing the colors over 45C (temperature range can as client’s request)

‧    Color changing available : black, red, blue, green, yellow, purple or more 

‧    With EN71 testing report

‧    Customized shape and designs are welcome