Fun Express Boardwalk Backdrop Banner (9 ft. x 6 ft.) Plastic. Bring an unbeatable beach vibe to your party with this realistic Boardwalk Backdrop Banner. A must for your luau or beach party, this beach backdrop makes the perfect party decoration or DIY photo booth backdrop. Plastic. (3 pcs. per set) Assembled, 9 ft. x 6 ft. Simple assembly required. 1 Set