Easy-to-open yellow 4"x7" trap reverse folds to expose 4"x14" stickysurface with grid for precision monitoring purposes. Approximately 30 square inch adhesive area. Non-poisonous and weatherproof. Punched with hole and twist-tie provided to easily hang trap. Easy to handle and count insects without getting sticky. These yellow sticky traps attract a broad spectrum of flying insects, including: aphids, whiteflies, thrips, leafhoppers, leafminers, and moths. Long lasting traps are weatherproof, and come with a wire twist to easily hang on plants or branches.