Portable Home Sleep Noise-canceling Earplugs

Product information:
Efficacy: protect hearing
Color: Black
Scope of use: home indoor outdoor
Material: Silicone
Usage: in-ear
Packaging methods: standard and high edition
Special Services: sound insulation for hearing protection
Series: waterdrop type soundproof earplugs
Function: sound insulation and noise reduction protect hearing
Size: 23.5*20