Three size options to snugly fit JBL Authentics 200, 300 and 500 speakers. Bottom open design for easy wear and removal facilitates quick on/off reserved space for charging cables to keep setup neat and fast Lycra fabric dust cover protects against dust, spills, scratches, water and other contaminants maintains speaker appearance and longevity Compact, storefriendly folds for convenient, spacesaving storage when not in use does not take up additional space Use scenarios Home entertainment setup: protect the speaker on display while keeping charging access readily available. Roomtoroom use: move between spaces with a quick slipon cover; life is simple and tidy. During charging: bottom open design allows cables to pass through without removing the cover, enabling uninterrupted charging.