Miles Moon 1Pcs Klom Black Air Wedge Alignment Tool Inflatable Shim Set For Window Cabinet Kitchen Furniture Garage Multitools Office Home To help you open the gap between A and B,such as the cabinet installation,Window,Desk,Door and so many home Furnitures Inflatable air wedge replaces the need for wooden shims and plastic wedges in window, door and cabinet installations Note:Avoid put it under the sun and high temperature,local regulation and any other relevant laws must be followed when use it