Gutter Hooks Material: S type hooks are made of UV, anti-freeze and weather resistant plastic which are durable, reusable and long-term. About 3cm long, 3.2cm wide Beautiful gutter hooks: The string lights can be precisely positioned on the curve of the groove to maximize the beauty of the decorative light. It has a strong Christmas atmosphere and is ideal for attaching fairy lights, curtains or string lights to prevent rain and light clips. Easy to install: attach the decorative lights to the gutter or outside with S-shaped hooks, don't worry about falling off after the cold season. The recommended number is to place one gutter hook on the string lights every 6 inches. [Application of Gutter Hooks] - Makes hanging outdoor lights on the gutter nice and easy, a quick and easy way to hang garlands and stalactite lights outdoors. Note: The data is all manually measured, please allow 1-3cm error due to light differences and display, there may be color differences, please refer to the actual item received.