Enhance your computer experience whether in the office or at home with Algreen's 36"x24" Elevate Desk Riser! Transitioning between sitting and standing throughout the work day increases your blood flow which improves brain function, focus and productivity. This standing desk-top converter features an innovative spring loaded mechanism for smooth and easy height adjustment between 4" - 20", with the simple squeeze of the lever. The dual tiered design provides versatility for single or dual computer monitor placement while still having and ample space for Coffee, water, books, office accessories etc. The conveniently located integrated slot props up phones and tablets perfectly while keeping them within reach. This robustly built desktop supports up to 35 lbs and comes backed by a 5 year manufacturers waranty.