Item Type: Ear Plug Material: Silicone and Stainless Steel Contains: Black Filter Earplugs and Flying Earplugs and Black Aluminum Bottle Weight: Approx. 24g or 0.8oz Product Use: Swimming, spa, sleeping, concert hall How to use and wear silicone earplugs: 1. Wash your hands and hold the earplug with one hand. 2. Go around the back of the head with the other hand, pull the ear upwards, and screw the earplug into the ear canal. 3. Then push the earplugs inward or shake them a few times until you feel a good fit. 1Earplugs are equipped with filters to isolate sound very well, and flying earplugs can reduce discomfort caused by the air pressure. 2It has good waterproof performance and can prevent water from entering the ears of swimmers and bathers. 3Selected high quality silicone materials, soft texture, non toxic, tasteless and environmentally friendly. 4It fits perfectly to the ear canal and is widely used in swimming, showering, flying, sleeping, and water sports. 5It can be used repeatedly, and the anti noise effect is very good. The earplugs must be cleaned after each use. 4 x Earplug 1 x Sealing Bottle