Item Details:   3M BRAND

* new and high quality

*Installed at the door and soundproof

*Bright color, good quality and durability

*Easy to install

*Material: Rubber foam

*Color: Black(As Pictures Show)

*Diameter: 19.5cm (Approx)    1' THICK

*Inner diameter: 14.5cm (Approx)

*Quantity: 4pcs