This is the cold frame for The Large Pest Thwarting Elevated Garden that protects delicate plants and seedlings from frost and chilly temperatures. It fits snugly on top of the garden bed, creating an ideal microclimate to extend your growing season and increase crop yield. Made of shatterproof polycarbonate and durable, 100% Forest Stewardship Council certified wood, with a spacer that allows the cold frame to be propped open for better ventilation. Can also be used directly on the ground as a traditional cold frame. Natural. 18? H x 72 1/4? W x 31 3/2? D. (35 1/4 lbs.)