Connecting Clips: 48 pieces per pack. You can choose the desired material to fix the greenhouse film to the greenhouse frame tube. Can clamp round tubes with an outer diameter of 16 mm. Please confirm the pipe diameter before purchasing. Durable Material: The greenhouse film clips are made of high-quality PP plastic, which is not easy to break, cold-resistant, and has a long service life. When not in use, it can be recycled to avoid waste. Greenhouse Clip: Designed with a convex surface, it will not slip when pressed, the surface is firm and shiny, it can fix the greenhouse film well and play an effective protective role. Connectivity: Allows you to quickly and easily connect your tarp, shade cloth, or netting to any type of pipe. It can play a very good fixing role, and is simple to use, easy to disassemble, easy to operate and saves time. Widely applicable: These greenhouse clips are used to fix tarps, canopies, greenhouse films or nets to pipes. They are also perfect for building