Check the listing for details. Galaxy Design Backdrop Sleeves. Condition: Used. Listed at 450.00 USD. These backdrop sleeves are 4 ft. x 8 ft. 5 total, pillowcase style graphic sleeves Used for one indoor percussion season. Lightweight, stretchy and durable. Backside is white. We used 4’x8’ PVC frames and just slid these right over the top.