The compact size (4 tier-5'3" tall x 2'3" wide x 19" deep) of this mini-greenhouse is perfect to setup on a sunny porch or patio. Constructed with rugged steel framework, each has a durable nylon-stitched clear plastic cover with a zipped front panel utilizing a rust-proof plastic zipper. The cover is easily removed for storage when not in use. Easy to assemble in minutes without tools. Complete instructions included.