SparkPlugs Metal Detectable Foam Earplugs, Foam, Metal Detectable with Cord ORS NASCO Seamless blade retraction with push-release

SparkPlugs Metal Detectable Foam Earplugs, Foam, Metal Detectable with Cord ORS NASCO Seamless blade retraction with push release Seamless blade retraction with push release and pliable side split cowhide Seams are double lock stitched with 5 ply Kevlar® thread Riveted seams at major stress points for maximum durability 40 in adjustable waist with quick release strap Extension straps sold separately fun colors provide easy compliance checks Metal detectable for food processing applications The ball bearing and cord are in separate holes so that the ear plugs remain detectable even if the cord is removed The ear plugs are corded to prevent ear plug loss Their tapered shape fits easily in the ear canal and seals gently and snugly without pressure