Butterflies Can Decimate Plants, Particularly Brassicas, As They Lay Their Eggs On The Plants Which Hatch Into Caterpillars That Will Quickly Eat The Leaves. This Fruit Cage Is Supplied With Butterfly Netting Which Has A 7mm Mesh Size To Stop Butterflies Being Able To Land On The Plants To Lay Their Eggs.the Framework Of Our Aluminium Vegetable Cage With Butterfly Netting Is Manufactured From 25mm Diameter, 1.6mm Thick Aluminium Section Making It Probably The Strongest Aluminium Cage Around. The Thick Tubing Comes Complete With Flush Fitting Connectors Making It Easy To Assemble And Also Gives A Neat Finish To The Cage.the Cage Is Supplied With Rigid Butterfly Netting For The Side Of The Cage And Soft Butterfly Netting For The Roof Of The Cage - Both Of Which Have A 7mm Mesh Size To Stop Butterflies. Please Note: This Will Also Prevent Some Pollinating Insects Getting Through Into The Cage So If You Are Growing Crops That Need To Be Pollinated Such As Courgette And Squash We Would Advise Choosing A Fruit Cage With Anti Bird Netting.*please Note That Our Cage Sizes Are Generous And Where Space Is Limited Please Allow An Extra 2% To Measurements For Fitting.walk-in Aluminium Vegetable Cages Stand 2.0m Above The Groundaluminium Tubing Is Inserted 0.3m Into Soilcomplete With One Door Unit As Standard And 25mm Round Uprights And Roof Supporting Top Rodsunlike Other Aluminium Vegetable Cages On The Market, Top Rods Do Not Sag When Tension Is Applied To The Roof Nettingtoprods Are Secured With Flush Fitting Connectorswidely Regarded As The Strongest Aluminium Cage Availableframework Carries A 10 Year Anti-corrosion Guaranteecomes Complete With 7mm Rigid Butterfly Netting For The Side Of The Cage7mm Soft Butterfly Netting For The Fruit Cage Roofnetting Will Not Allow Some Pollinating Insects Through - If Your Crops Require Pollinating Please Choose Our Aluminium Fruit Cage With Bird Netting 25mm Round Door Frame Is 970mm Wide And Comes Complete