Northcore Surfshield Surfers Ear Plugs are designed to block out water while allowing in sound for optimised surfing balance, equilibrium and protection against surfers ear. Developed and manufactured in the EU. Northcore Surfshields use advanced acoustic filter technology-centred with unique organic TPE earplugs which are designed to fit neatly into the ear's auditory canal. Surfshields are 100% allergy-free soft washable material so are super comfortable, very effective and stay in the ear in most conditions when correctly inserted. The pack contains two sets of universal plugs to allow the user to find their perfect fit and an optional 90cm removable earplug leash and with slider to prevent loss of the plugs should they become loose. The set comes in a re-usable mini hard case for convenient storage in between use.