Constructed from polyurethane and designed for comfort, Its the DP1000 ear plugs from pyramex. Ear plugs gently expand and self adjusts to fit all size ear canals. Features: - DP1001 polyurethane disposable Uncorded earplugs - plug gently expands and self adjusts to all size ear canals. Specifications: - NRR 31Dbb/snr 36DB - ANSI S3.19 requirements - CE EN 352-2-2002 Certification - Color: Orange - Quantity: 200 Pair/box - plug Length: 2.6cm - plug width: 1.2cm.