Howard Leight 1012522 Detectable Multi-Use Corded Earplug - Pack of 50 Colour:Blue This model has double stitch

This model has double stitch seams and two-layer fabric in bottom of pockets for extra durability

Heat resistant outsole up to 200°C

Shock absorber heel

Legs can be adjustable by press studs

Howard Leight 1012522 Detectable Multi-Use Corded Earplug - Pack of 50 Colour:Blue This model has double stitchHoward Leight SmartFit Detectable Multiple Use Corded Earplug 1012522 Thermoplastic Elastomer (TPE) adapts plug to the contours of the ear canal. Conforming Material Technology SmartFit Detectable uses body heat to adapt to the shape of the ear canal. SmartFit user friendly design for a more personalized fit, feels better the longer you wear it. Detectable ring on stem and attached metalized cord detectable by automated equipment, while blue color