Transform Your Vegetable-laden Raised Beds Into An Efficient Mini-greenhouse With The Minimum Of Effort, Prolong Your Growing Season And Even Ventilate Summer Crops Without Compromising On Crop Protection With Our Fitted Hoops And Mesh Vented Pvc Covers Double Act - One That Garden Pests Certainly Wont Find Amusing! the 19mm Diameter Galvanised Tubular Steel Hoops Fit Securely Inside Our Wooden Raised Beds With Supplied Brackets And Screws. The Hoops Used On The 60cm (2ft) Wide Beds Give 54cm (21\") Of Growing Height And The Hoops Used On The 1.2m (4ft) Wide Beds Give 104cm (41\") Of Growing Height. For Beds That Are 1.2m (4ft) Long 2 Hoops Are Used To Support The Covers And For The 1.8m (6ft) And 2.4m (8ft) Long Beds 3 Hoops Are Used To Support The Covers. available In Six Size Options, The Hoops Firmly Support The Uv Stabilised Extra Thick, Heavy-duty Pvc Covers, Complete With Full-width Insect-mesh Ventilation For The Summer Months To Keep Pests Out And Let Rain In.designed To Fit Inside Raised Bed Sizes: 0.6m X 1.2m (2ft X 4ft); 0.6m X 1.8m (2ft X 6ft); 0.6m X 2.4m (2ft X 8ft); 1.2m X 1.2m (4ft X 4ft); 1.2m X 1.8m (4ft X 6ft) And 1.2m X 2.4m (4ft X 8ft)the Clear Pvc Traps Heat And Shields Plants From The Elements To Extend The Growing Season And Access Couldnt Be Simpler Thanks To The Large-zipped, Dual-skinned Pvc/insect Mesh Panels That Roll Up And Down On Both Sides. Weve Also Got Fitted Butterfly Net And Insect Mesh Covers For Complete Raised Bed Crop Protection But Dont Let Your Raised Beds Have All The Fun; Although Designed For Use In Our Beds And With Both Our Standard And Superior Raised Bed Tables, The Fitted Hoops And Mesh Vented Pvc Covers Are Equally At Home In Open Ground.fitted Hoops And Mesh Vented Pvc Covers System Developed To Fit Our Allotment, Standard And Superior Wooden Raised Beds.choose From Hoop Only, Cover Only Or Hoops And Cover Kit Optionshoops Are Manufactured From 19mm Diameter Galvanised Tubular Steelhoops For 2ft