4 X 7 inch card. Seabright traps fold open to expose 4 X 14 inch sticky blue surface with grid for precision monitoring of thrips and leafminer. Approximately 30 sq inch adhesive area. Punched hole and twist-tie provided to easily hang trap. Easy to handle and count insects without getting sticky. To make more attractive to thrips, add a Thrips Lure (page 32) or drop of vanilla extract.