1.Material:   PU foam

2.Size:  24mm*12mm

3.Packing: plastic box, size:5cm*6.5cm

4.Feature:1)harmless to body,eco-friendly

             2)good nosie reduction effect

                    3)on- toxic, soft, smoothly, sound-proof, dirt resistant

                    4)Soft flanges offer a better fit in the ear canal with tighter seal and                                   better attenuation for decreasing noise.

             5)produce as your request,such as                                                    pattern,text,logo,shape and so on

5. Function: prevent the water come into the ear when swimming , Sound proof when by air or sleeping.