If you are being annoyed by the noise and can't sleep, try our soundproof ear plugs, let yourself have a good night's sleep, be more spiritual during the day, work better, and you will get a better career prospect. They are manufactured with , durable to use. Features -Color: Yellow. -Material: Plastic. -Size: About 3.00X3.00X2.00cm/1.18X1.18X0.79inch. - Made of quality material, soft, - , you can use it with confidence. - Small and lightweight, easy to carry. Suitable for sleeping, working, etc.. - Block the noise, protect your hearing and enjoy a good sleeping! - Perfect for sleep, study and general hearing protection from all types of loud activity. - 30 pairs ear plugs which can meet our personalized needs. Package list: 1 x set of 30pairs Moldable Ear Plugs