The material of this silicone is from Japan.
It is a changeable supplement.
https://youtu.be/CYiMXRTSKUY
░ Material ░
・FDA grade silicone, BPA/BPS-free with no phthalates, PVC, or polycarbonates
## This product only contains leakproof Silicone ##
░ Source / Made ░
Made in Taiwan
