About Product:Origin: 1011 whether to import: no brand: other item No.: 101 material: memory foam material noise reduction rate: 1 Implementation Standard: 1 function: sound insulation application scope: 1 Special Service: 1 Series: 001 connecting line: none color: black size: 1 usage: 1 classification: 1 efficacy: comfortable packing method: OPP order number: 1SNR:1NNR:1 washable or not: 1 earplug head shape: 1 earplugs color: blue, yellow model: plastic boxed, OPP bag whether cross-border supply: no specification: Boxed, OPP bag simple style whether patent Source: No