Peltor 3M X5A Ear Defenders with Headband, Black & 3M Optime I, H510AC1, Ear Muffs Headband, Lightweight Ear defenders, Hearing Protection reduces noise level by up to 27dB, Pack of 1 :
WARRIOR Ear Defenders - Ear defenders
Peltor Kids Ear Defenders Green | The Sporting Lodge
CK Avit Ear Defenders AV13012 in a Lightweight Design with
PRETEX Ear Defenders with SNR 34dB - Lightweight Ear Muffs Protection for Adults - Adjustable Noise Cancelling Headphones - Over Ear Earmuffs for Work or Home - Yellow : Amazon.co.uk: DIY & Tools
Draper 51135 Blue Lightweight Ear Defenders With Padding - Internet Electrical