DIY Combination Desk and Bookcase: Furniture set including height adjustable desk, wide bookcase and tall bookcase.This combination set can efficiently uses space while giving you enough room to stash up to worth of files or other office supplies. Customize Your Height: This standing desk can be adjusted from 27.9“ to 47.5” (excluding desktop height). 2 memory buttons allow you to set any comfortable height as your usual office height and standing height. And the lifting process is quiet, the noise is below 50 db. Cubes of Various Sizes: This bookshelf has 5 open cubes of different heights and widths, which can meet the storage needs of books of different sizes and also allow your books to be well classified and stored. Of course, you can also place figures, ornaments, etc. of different sizes for decoration. Durable and Sturdy: This combination furniture set is made of high-quality melamine board, which is scratch-proof, environmentally friendly and very durable. The modern design and color palette can match your decorating style. Installation and Customer Service: Our combination furniture set come with detailed and clear instructions. If you feel any confusion please contact us through Amazon's Messaging System for assistance. This standing desk is combining one 60 inch wide bookcase and 59 inch tall bookcase with drawers. Desk is large surface area and ergonomic features are designed to enhance productivity and comfort. If you’re looking to improve your posture while maximizing your workspace, this combination furniture set is a compelling choice.