【Purchase Note】: The minimum size of the adjustable under kitchen sink organizer is 20.7 x 9.8 x 16.5 inches; the maximum size is 32.3 x 9.8 x 16.5 inches. Package Included: 8 removable panels.【Expandable Length】: The cupboard organizers and storage can be easily adjusted from 20.7 inches to 32.3 inches in length with an extending rail.【Adjustable Height】: There are 4 screw holes on each side of the sturdy metal frame, so you can choose 4 different horizontal levels to install the extending rails【8 Removable Panels】: The under bathroom sink organizer is customized to fit your space, the removable panels allows the sink drain to pass through easily.【Easy to Clean and Simple to Install】: It takes less than 5 minutes to complete the install.Please note: before you tighten the screws, please make sure the frame is even, otherwise the shelf may wobble after installation.