Features: Using durability and breathable fabric, it can prevent dust without affecting the heat dissipation. Specially designed for Boombox 4, it can fully cover the device and avoid exposing any part. Lightweight design, easy to fold, convenient for storage and carrying. Effectively prevent dust and other factors from affecting the loudspeaker. Stretchable design provides comfortable compatibility and maintains quality. Specifications: Product Fabric: elastic spandex fiber Product color: black Size: approx. 380x240mm/14.96x9.44inch Applicable Model: for Boombox 4 loudspeaker Package Includes: 1Pc Dust Protective Case note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.