Details DOSH SIRIM Approved Made with soft foam Soft foam helps conform to the shape of the ear canal for a comfortable, snug fit Compatible with the 3M™ E-A-Rfit™ Validation System Reduces noise levels up to 35 dB (SNR) 3M™ 1110 Earplugs are made with soft foam and a tapered design to help provide a noise blocking seal. These earplugs are easy to roll down and insert, with the foam softening with body temperature to improve comfort over extended use. One size fits most. 3M™ 1110 corded foam earplugs feature soft, hypoallergenic foam and a tapered design to fit comfortably in the ear canal.