Seen elements bird protection markers help make your windows safer for birds without compromising your view. Every year, millions of birds collide with glass because they cannot recognise it as a barrier. Seen elements bird protection markers make windows visible to birds while remaining discreet for people, offering a simple and highly effective way to reduce collisions around your home. Why birds collide with windows birds often mistake reflections of trees, sky and vegetation for real habitat. As a result, they may fly directly into windows and glass doors. Adding visible markers to glass helps birds recognise the surface and avoid dangerous impacts. Scientifically proven protection seen elements uses a carefully tested 9 90 mm grid pattern, with 9 mm aluminium dots positioned 9 cm apart. This design makes glass clearly visible to birds while covering less than 1% of the window surface, allowing you to maintain natural light and unobstructed views. The effectiveness of