Weight of vertical blinds: 30 white underweight pieces, each measuring 89 x 50mm. Lower quality weights are used to replace worn, fragile or missing weights etc. Roller Blind Bead Chain: 10m vertical chain for blinds, including 12 balls between each chain clip; ideal for 89mm slats of vertical blinds and perfectly adaptable. Quality materials and durability: Made of high quality solid plastic, wear-resistant, firm and reliable and can be used for a long time. They are great replacement accessories that save money. Easy installation: from the front panels, hook the ball chain to the lower weights of each panel, then attach the back part of the same manner. No tools needed for installation. Wide Application: The vertical blind weights and chain are suitable for all kinds of louver blinds and vertical roller shutters. They can be widely used in living room, bedroom, bathroom, kitchen, dining room, office, etc. Product Name: Vertical Blind Weights and Chain Material: plastic Slat size: 89 x 50mm Package Including: 20pcs x Vertical Blind Bottom Weights 10m x Roller Blind Beaded Chain Have a great time shopping!