Stalwart Adjustable Under Sink Shelf Organizer Unit Includes: 2 shelf sides, 12 shelf slats, 4 adjustable poles, 4 grips and 8 fasteners Under kitchen sink organizer / Adjustable width Adjustable shelf height / 30-day warranty / Fits under most sinks Adjustable shelf slats / Height: 15.325" / Maximum width: 32" Minimum width: 17.75" / Length: 11.325" / Easy to assemble