Feature: 1. With 110MM outer diameter, the woofer dust is suitable large speakers, stage speakers, KTV speakers, etc. 2. Made of hard paper, the products are durable and easy to be replaced. 3. Lowering the directivity of high, medium and low sounds, thus allowing them to be harmoniously mixed. 4. The dust can provide protection the horn, so the speaker will not be easily pressed by people, get dusty, or become old soon. 5. Simple design, this dust makes your speakers more beautiful and elegant. Specification: Item Type: Speakers Accessories Material: Paper Outer Diameter: Approx. 110mm / 4.33in Package List: Dust x 5