colorful soundproof foam/sponge 1.colorful sound proof foam/sponge 2.material:pu sponge 3.sound-absorbing effect is good

colorful sound proof foam/sponge1.colorful sound proof foam/sponge2.material:pu 3.sound-absorbing effect is good

4.reasonable price

5.we can choose its size,density,and color according to customer's requirement.

6.it is eco-friendly to environment,and  no harm to user's health.

colorful sound proof foam/sponge