Covered With Tough Uv Stabilised Polyethylene Sheeting, The Tunnel Forms A Complete Barrier To Repel Pests Whilst Retaining Moisture & Air, Generating Maximum Warmth. The Subsequent Humid Environment Is Ideal For Warming The Soil Before Planting Out & The Polyethylene Also Protects Plants From Frosts & Harsh Weather, As Well As Pestsnew enhanced Product Design Offers The Very Best In Plant Protectiondrawstring Enables Open Or Closed Ends For Ventilation Or Maximum Protectionthere Are Two Sizes Availablelarge 3m L X 45cm W X 30cm Hgiant 3m L X 60cm W X 45cm Hsave Up To 5 On Extra value Pack Options