noise control sponge
It has fully three-dimensional grid structure.
The density is 7.5kg/ cbm.
opening rate of 99% or more

The noise control sponge is also called melamine foam, it  is a low-density, high open area, flexible foam. Excellent flame resistance, sound absorption and insulation, widely used to improve sound quality, noise control, thermal insulation requirements of the construction, industrial, transportation, aerospace, electronics, home appliances, electronics, apparel fabric , household cleaning products and other fields.

It can control the noise very well, also it can be a goodlooking material.

Please have a look of the following picture, which shows well itsd usage.

With it  , you can enjoy good life.