Widely used by commercial growers, strongly endorsed by state agricultural agencies. The proven effective way to protect your crops from birds. Simply stretch and spiral along garden rows; the circular holograms flash dramatically in the slightest breeze, sending feathered friends on their way. Reflective scarecrow tape with "moving" holograms helps protect gardens as it flashes dramatically in the sunlight. Helps protect fruit trees, berries, and grapevines from thieving birds. Great for balconies and railings