Features: brand new and high quality Can be applied to window roller shdes, vertical blinds, roman shades, horizontal blinds, honeycomb blinds, etc. This blinds replacement part kit contains 1 pc of automatic control winder box and 1 roll of 5 meters webbing strap. Safe for kids: Provide safety device, safe for kids and pets. The winder box and strap is made of high quality plastic and cloth material, which is durable and sturdy. Easy to use: simple to install and take off, which can be repeatedly applied for a long for time. Specification: Material: Plastic Color: White Strap Width: app. 14mm/0.55in Strap Length: app. 5m/196.85in Box Size: approx. 172.5x125x23mm/6.79x4.92x0.91in Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Roller Shutter Winder Box with Straps(other accessories demo in the picture is not included.)