The At Work threeshelf bookcase has bold contrasts to deliver a modern look that suggests both style and function. The Warm Ash laminated solid core particleboard panels offer European flair that fits comfortably into any office environment you desire.The At Work bookcase has three shelves two are adjustable. Bookcase is stackable with the matching At Work Collection glass door cabinet, wood door cabinet, or lateral file. This bookcase has a fully finished back, so it will look great anywhere. Each shelf has a 45 lb weight capacity, evenly distributed.Assembly required. This product has been Greenguard certified to support better indoor air quality for offices, homes, schools and healthcare facilities. Products that are Greenguard certified are regularly tested to ensure that their chemical and particle emissions meet acceptable pollutant standards.