Bird Divert™ Optically Clear Anti-Collision Bird Markers

2in x 150ft: covers approximately 25 square feet of glass or a 5' x 5' window. This tape features a specially designed pattern that is nearly invisible to humans but highly visible to birds— a simple yet effective solution to prevent bird collisions with residential windows. By applying this tape to windows, homeowners can create a safer environment for birds, reducing the risk of collisions while maintaining the aesthetic appeal of their homes. Easy to install and cost-effective, Bird Divert's™ tape is a practical and humane way to protect avian wildlife. How to Use Install on a clean window Line up tape to edge of window, and apply next strip of tape flush, lining up the blue lines, until the entire window is covered. Once the whole window is covered, remove the film pulling at a sideways angle VIEW HOW-TO VIDEO > Details: Roll pattern: 1/4" on the smaller circular markers and 3/8" on the larger circular markers. Optically clear to the human eye, but appears black (absorbing) and violet(reflective) to the avian eye Each 2" x 150' Roll covers approx. 25 sq ft. of glass or a 5' x 5' window. Storage & Pre-install Instructions: For windows and patio doors, apply markers to the outer surface (the exterior side) Do not apply markers when the outside temperature is below 10°C (50°F). Install the markers within 1 month of purchase for optimal results. Durability and Longevity – 8 years plus Store markers out of direct sunlight and away from extreme heat and humidity.