This is a soundproofing board, which are made of good sponge material, for long lasting use. Sound absorbing material reduces the reflection of the sound produced in the room and attenuates the sound.
eBay
8 Middle Door Noise Elimination Rubber. Quick to install and easy to use. Size: as shown in the picture. OEM Number: NO. Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website.
eBay
【IMPROVE SOUND QUALITY】: These durable sound panels are excellent at absorbing sound energy, reducing reverb, echo and mid high frequency noise; Average absorption coefficient: ; NRC(noise reduction coefficient).
eBay
8 Middle Door Noise Elimination Rubber. Quick to install and easy to use. Size: as shown in the picture. OEM Number: NO. Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website.
eBay
1 Aquarium Silence Strip. We'd like to settle any problem in a friendly manner. 【Easy Installation】Simple to attach and fix place with its design, suitable for most bottom filter aquariums. It's just take you 1 minute.
eBay
Enhance your driving experience with this soundproofing sponge for car tires. 10 Pcs Car Aluminum Foil Noise-proof Pad Sound Deadening Mat for Cars. 12 Pcs Doll Bubble Ball Inner Core Stress Insert for Crochet Inserts Toys.
eBay
2 Sets Non-slip Mat Soundproofing Pad Speaker Noise Isolation Cushion. 4 Pcs Acoustic Panels Soundproofing Board Noise Reducer for Room. 4 Pcs Sound Absorbing Material Wall Panels for Walls Acoustic Soundproofing.
eBay
2 Pcs Automotive Sound Deadening Soundproofing Retardant for Car. The foam materials used in its construction ensure long-lasting performance and durability. 10 Pcs Mini Pumpkins Decor Halloween Hanging Foam Artificial Vegetables.
eBay