This authentic BOSS amp cover will help keep your Katana- Head looking new. Shields against dust, dirt, and grime while protecting from minor scuffs and scrapes. Made with durable polyester exterior and sized for a perfect fit. From the Manufacturer This authentic BOSS amp cover will help keep your Katana-Head looking new. Shields against dust, dirt, and grime while protecting from minor scuffs and scrapes. Made with durable polyester exterior and sized for a perfect fit.