The 4ft (1.21m) shade cover designed specifically for the 4ft value frame models and the 4ft cold frame. Experience a 70% reduction in incoming light, ensuring a cooler environment within your Mini-greenhouse or Cold Frame. This shade cover is perfect for South facing walls and cultivating fragile plants in the latter part of the season. When winter arrives, it acts as a reliable insulation layer. Crafted from durable polypropylene material, the shades are easily adjustable, allowing you to roll them up or down based on the prevailing weather conditions. Note: To fully cover the roof area of a Cold Frame, two shade covers are required.