noise reduction melmaine foam 1. we can produce and export the size as you like. 2 delivery in 7 das .

Melamine foam ,Its low smoke and flame properties makes it a soundproofing material for studios, sounds stages, auditoriums, and the like; it also can take out "uncleanable" stains as its substance is compound of chemicals specifically made for its weird texture. Melamine foam forms into a block of solid tiny fibers.

Using these, that magic eraser is eroding the stain off the surface.