This is the Gator GPA-CVR12. A part of their Speaker Cover Range. It is a Nylon Speaker Cover for Compact 12"" Speaker Cabinets. Speaker Slip Cover Designed to Fit the Hottest 12” Speaker Cabinets on the Market with Rugged Water Resistant Polyester Construction. Features include - Built-In Waterproof Backing, Protective, Padded Interior with Soft Lining, Handle Holes on the Top of the Cover Align with the Built-In Handles of the Speaker Providing Access for Moving Case with Cover On, and Designed to Fit QSC K12, Turbosound iQ12, and Yamaha DRX12.