8 Level Non-Reversible High Temperature Sensitive Labels For 37-65℃/99-149℉

Discover the 8-Level Non-Reversible Temperature Sensitive Stickers, designed for precise temperature monitoring from 37-65℃/99-149℉. These irreversible labels provide reliable, permanent color changes, ideal for industrial, medical, and food sectors. Perfect for one-time temperature tracking with high accuracy and durability.