The flare audio isolate bronze aluminium ear plugs are certified hearing protection for loud events and noisy workplaces. Built from solid aluminium they reduce low frequency sound more effectively than typical foam or silicone plugs. This helps limit the heavy rumble that often makes high volume environments uncomfortable. With an official snr rating of 30db and ce certification to en 352 22020 theyre designed to protect your hearing when noise levels rise above 80–85db. Theyre well suited to concerts festivals motorbikes motorsport machinery factories and flights helping lower overall volume while keeping audio clearer and less distorted. Each pair includes four sets of heat reactive memory foam tips in xs s m and l. The foam responds to warmth expanding for a secure seal and improved comfort during longer sessions. When the tips wear out you can replace them easily. A flare carry pouch is also included for safe storage between uses.