Material: silica gel
Pressure Range: 4-20 cmH2O
Item Type: Sleep & Snoring
The material: The sponge
Scope of USES: Sleep, work
Color:Pink,Red,Blue,Green
Package Included: 1 Pair Soundproof Sleeping Ear Plugs
Pressure Range: 4-20 cmH2O
Item Type: Sleep & Snoring
The material: The sponge
Scope of USES: Sleep, work
Color:Pink,Red,Blue,Green
Package Included: 1 Pair Soundproof Sleeping Ear Plugs