40 x 3M EAR Classic Foam Ear Plugs (20 Pairs) FREE UK P&P! The most popular ear plug in the World. Moisture resistant. E.A.R. Classic Ear Plugs expand to the shape of the ear canal in less than one minute and will gently seal the opening all day without discomfort. Made from unique foamed polymer, one size to fit most ears. Safe and easy to use. Plugs are washable. 40 earplugs supplied in a grip seal bag Technical Info Standards: EN352-2 SNR Rating SNR28Price includes VAT, a full VAT invoice will be made available upon request. This listing is for 40 ear plugs which is 20 pairs.