The product is a pack of 5 black lavalier windscreen muff for microphones, with a diameter of 0.4 inches. They are designed to reduce background noise by blocking excess air/wind noise without affecting recording quality. The wind muff is suitable for most lavalier, lapel, or pin-on microphones and is easy to carry and use. It is soft and comfortable, providing long-term protection for the microphone. The package dimensions are 11.7 x 9.2 x 1.9 cm and the product is manufactured by BornFeel. The ASIN is B08DJ2BKD5. Please ensure the size fits your microphone before purchasing and keep out of reach of children to prevent choking hazards.