Product Information Name: iMeBoBo 2-Layer Noise Earplug For Small ear Material: Nano silica gel material+ Memory sponge Noise reduction: 40dB Size: 17mm* 14mm Colors: Blue Pink Yellow and so on Include: Nano silica gel + slow rebound sponge + shark fin tail filter 10 sponge replacement tips + 1 pair of 2layers silicone earplugs Package: Colors box and stroage box Feature 1.Tailor-made Create exclusive small ear canals. An earplug that belongs to the small ear canal for women. 2.IDEAfoam earplug+ Custom soft elastomer +filter, 3-layers sound insulation build, make sound insulation stronger under the premise of comfort. 3.Clever design, the small and soft earplugs are not only comfortable to wear, free of foreign body sensation, but also fit the ears securely. They are not easy to fall out even if you lie on your side of turn over. They are the first physical line of defense against noise. 4.10 sponge replacement+ 2pairs of double layer silicone, 2 kinds of noise reduction experience Nano silica gel/sponge can be switched at will 5.iMeBoBo earplugs use IDEAFOAM sponge formula and craftsmanship to have a stronger sound insulation effect and new patented technology. Slow rebound design makes wearing more comforatble and the right rebound.