PVB which is put between two pieces of common glass, when it is collided with other blocks, the PVB film can offset the compact pressure and don't make the glass shattered and so protect the safety of people, which is mainly used in the field of of automotors, high-building, aviation, naviation and etc Meantime, we can produce the special speccification according to your special reqest. Usual: specification 0.38mm transparent film (width) 880,1250,1450,1850, 2050, 2500, 2700 0.76mm transparent film (width) 880,1250,1450,1850, 2050, 2500, 2700 0.76mm color film(green/blue) 880,1250,1450,1850,2050,2500,2700