Unlike the old-style iron or steel grills that block your view and make your balcony feel dark and cramped, invisible grills (also called transparent safety grills or SS wire grills) use high-tension stainless steel cables, thin but incredibly strong, stretched across a robust frame.
The result? Your balcony stays open, airy, and beautiful but it's fully protected. You can see the outside clearly. Wind flows freely. But no one not your toddler, not your dog, not an uninvited visitor can get through.