Agfabric Grow Tunnel With Insect Netting For 4ftx4ft And 5ftx5ft Raised Bed,Plant Cover &Frost Blanket for Season Extension and Seed Germination Ideal for raised bed planting, especially 4X4Ft or 5X5Ft raised bed 1pc of 8ft long hoop is jointed by 2pcs of 4ft long hoops with 1pc of ferrule Garden netting for Safe and effective barrier excludes many types of pests, including insects, birds and animals. It can be used for seed germination & frost protection Sunlight can through, no need to remove when watering arch span: 31"~63", approximate arch height: 23"~31",as the important basis of installation