Unique 2-Color (Yellow/Blue), 2-Sided Insect Sticky Trap Cards. 4"x5" with 1" grid on both sides, non-toxic, weather resistant, easy peel-off backing and hole punched for hanging (10 cards/pack). Yellow side attracts whitefly, fungus gnats, leafminers, etc. Blue side attracts thrips. Price includes USPS shipping!