UNIVERSAL: High Fidelity Earplugs are made of perfectly transparent material that is almost invisible and is ideal for musicians, DJs, video operators, good for Shooting, riding Motorcycle and more. HIGH-QUALITY: Comfortable Noise Cancelling earplugs are made of non-toxic, soft medical grade silicone material which is environmentally friendly, transparent and comfortable to wear for a long time. EFFECTIVE: Special ergonomic design of the Silicone Ear Plugs with membranes specially adapted for a perfect fit and easy removal effectively blocks harmful noise giving you the blissful silence.