艶白 Tsuyahaku Single Tuft Compact Wisdom Tooth Brush (Super Soft), V Trim Bristles, BPA Free, Pack of 4;

【product name】 tsuyahaku end-tuft 【features】 tsuyahaku brush is made from "pbt bristles". High-quality, high temperature resistance and durable. Compared to nylon bristles, pbt bristles are more water-resistant and durable. 【handle material】 polypropylene 【bristle material】 saturated polyester resin (pbt) 【bristle hardness】 type bristle thickness bristle length ms (medium soft) 0. 15mm 10mm s (supr soft) 0. 13mm 10mm 【heat-resistant temperature】 100℃ (possible to sterilize by boiling) 【country of origin】 100% made in japan