He's looking at a new CD system AND a Rhino bed liner for his birthday? Next you're going to tell me you cook also.
Anyway, Rhino bed liner is a spray on protectant. You knew that already I assume. Various dealers throughout the state can give you a quote on the cost.
Or contact the manufacturer for a price quote:
http://www.tandemproducts.com/Norths...ray_index.html
Their telephone number is near the bottom.
You don't clean fish also by any chance, do you?