Webasto Motherson Sunroofs Limited offers Large Glass Panel Car Sun Roof. Webasto Motherson Sunroofs Limited supplies sun roof, slide and tilting roof, parking ventilation with solar system etc. For application in automobiles. The Large Glass Panel Car Sun Roof of model number Hollandia 500 FreeDome has two glass panels- the rear one fixed and the front sliding to form a huge panoramic roof that lets lots of light and natural flair. The Roof when open allows ample supplies of fresh air into the passenger compartment.