Rio Brands"Zero G" Backpack Lounge - FCB630 Rust-Free aluminum frame folds up and carries like a backpack - Hands Free Backpack pocket for extra storage of books, magazine and more. Adjusts and locks to infinite positions for personal comfort preference. Sits at beach chair height. Amenities includes: adjustable padded shoulder straps, flip-over pillow and padded footrest, molded arms with built-in cup holder