Mack's (Macks) Snoozers Silicone Putty Ear Plugs x 6 Pairs (FREE UK P&P)
Mack's Snoozers Silicone Putty Earplugs. The soft silicone putty moulds to your ears for a unique waterproof and airtight fit. These ear plugs adhere gently across the opening to the ear canal so there's no risk of them falling out.