Laser Trak detectable earplugs are specially created for environments where contamination from foreign objects is unacceptable. The single-use corded earplugs have visual and metal detectability plus long-term comfort. The non-ferrous metal grommet and bright colors are easily detected by visual and automated inspection. Self-adjusting polyurethane foam expands to fit virtually any wearer. The contoured T-shape allows for easy insertion and wear. Its smooth soil-resistant skin prevents dirt build-up. NRR 32 Part Number: LT-30 Item Weight: 290 g Product Dimensions: 20.3 x 13 x 21.6 cm Item model number: LT-30 Size: Universal Colour: multicolour Item Package Quantity: 1 Certification: Not Applicable Included Components: Hardware, Cabinet Hardware, cabinet-and-furniture-knobs Batteries Required: No