Colorful colors: yellow and can be seen in the distance, which helps high compliance with employee regulations and hearing safety; it also helps prevent loss or misplacement noise reduction function: After insertion, the self-adjusting foam earplugs can expand in the ear to form a seal, which can hearing protection in noisy workplaces and on-site More suitable for larger and larger ears: Smaller earplugs the best fit and ear protection for smaller ears, the low-pressure foam can be expanded to fit any size ears and ear canals Comfortable and hygienic: T-shaped makes it easy to insert and remove; , dirt-resistant, closed-cell foam skin helps prevent dust accumulation. Applicable to industries: agriculture, industry, construction, enforcement, manufacturing, mining, municipal, steel, metal, transportation Product name: T-shaped earplugs Usage: plug-in Colour:As shown Material:PU Package Contents: 100 pairs of soundproof earplugs Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.