SPECIFICATIONSBrand Name: NoEnName_NullChoice: yesHign-concerned Chemical: NoneModel Number: Magnetic Window CleanerOrigin: Mainland ChinaHow to choose the correct size?Single-layer glass choose blue style (3-8mm), blue style (3-8mm) is also suitable for cleaning fish tanks and car glass.Choose red style for double glazing (8-15mm)Choose green style for double layer thicken glass(15-26mm)Three-layer glass choose brown style (20-30mm)Please be sure to choose the correct size!Magnetic Window Cleaner Brush Double Sided Magnetic Glass Window Cleaning Tool Automatic Water Discharge Wiper for High Windows