Features: Over time, the "ears" of the weight card become fragile. Easy to break Therefore I have to replace the few of them. I have concerns, but this is a standard product that fits the chain very well, and the chain stays in place. Function: The weight of the vertical shutters will help to increase the weight of the shutter window directly Specification: Color: white material: plastic Size: 127 x 50 mm / p> Package contents: 20 meter bead chain 20 pearl buckle 10 pieces of the bottom plate p>