Soundproof Cotton

1. Material: polyurethane sponge 2. Easy to use 3. Effectively isolate the sound and use it safely 4. Can be used in professional studios, rehearsal rooms, concert halls, home theaters, recording studios, audio-visual rooms, etc. 5. Single piece size:...

1. Material: polyester fiber2. Bending strength: 803. Compressive strength: 804. The use of environmentally friendly materials, odorless, non-toxic, formaldehyde-free, and has a flame retardant effect;5. The unique hexagonal sound insulation board can...