Expandable Bamboo Spice Tray Rack & Drawer Storage Organizer, Adjustable Dimensions by Axis Dimensions expanded to: 15.5L x 15W x 2.5H and dimensions not expanded are: 15.5L x 9.5W x 2.5H 3 Tier Level, holds up to ten 4.5 jars Eco Friendly Bamboo is a natural alternative to hardwood because bamboo is a renewable resource that requires no fertilizer, pesticides, or herbicides, produces very little waste, and helps economic development in 3rd world countries. A patented locking system makes sure your configuration stays put.