100 ($11.99) or 50 ($7.99) pieces of resealable sleeves that fit over the usual jewel case. Protects and seals CD and seals on the top or long side of the jewel case.

Has a peel off strip on the body of the bag which the flap sticks to. Can be opened and closed a number of times. Has Japan writing on peel off strip.

Made of very shiny, clear material we think is polypropylene (Mylar is the trade name).