Whitefly Traps Are Great For Tackling Greenfly, Thrips, Whitefly, Midges & Other Flying Pest Infestations In Greenhouses & Conservatories. The Yellow Colour Reflects Light Which Attracts Flying Insects, Which Then Become Trapped On The Sticky Surface.suitable For Organic Gardening, Whitefly Traps Are Easy To Use & As The Product Contains No Pesticide, It Will Work Continuously, Making Routine Spraying Unnecessary.try To Use Before The First Signs Of Pest Infestation Or In Conjunction With Other Control Methods. Simply Peel Off The Protective Sheets & Hang Using The Twist Ties Supplied.although The Whitefly Traps Contains A Strong Adhesive, The Special No-mess Formula Will Not Stick To Clothing Or Skin & It Does Not Have An Unpleasant Odour.containing Seven, Double-sided Traps With Twist Ties, The Bright Yellow Surface Is Irresistible To Flying Insects.whitefly Traps:coated Both Sides With A Dry-touch Insect Gluecontrols Whitefly & Other Flying Insectspesticide-freenon-toxicsupplied In A Pack Of 7 although It Contains A Strong Adhesive, The Special No-mess Formula Will Not Stick To Clothing Or Skin. It Also Does Not Have An Unpleasant Odour. once Used, Simply Wrap The Traps In Newspaper & Put In The Bin. sizes Available: 7 Trap Pack