roller shutter slat 1, Color:optional 2, Cut-to-length 3, Low noise,stable operation 4, Environment friendly roller shutter slat 1. Material: PVC, size: 8mm thickness, 17mm width2,easy installation, maintenance and cleaning3,accurate measured setting postion4,no need further processing5,save assembling cost and time6,the environment protected new material is strong and durable, keep new forever ...