Miracle-Gro Greenhouse 6 X 4 X 6’

All-Steel 1-3/8" Frame With Premium Powder Coat Finish To Resist Chipping, Peeling, Corrosion, And Rust Quick-Snap Roll-Up Side Panels Have Full-Length Screens, Which Adds Major Airflow And Ultimate Temperature Control Half-Moon-Shaped Zippered Screens On Both End Panels For Adjustable Air Circulation Easy Slide Cover Rail Locks Down And Tightens The Cover For Optimal Cover-To-Frame Fit No Tools Required: Nuts And Bolts At Every Connection Engineered To Retain Heat, Which Slows Evaporation And Conserves Water Manufactured For Miracle-Gro By Shelterlogic Group Inc