Freezer Freezer PVC strips are flat shape,brilliantly transparent and clear.these are useful for +50to -40 Temperature applications.it is available in clear transparent and blue tint. Freeaer (polar) strip curtain workable at lower temperature even --35 area. Still keeping flexiable,soft and transparent. Its popular at refrigeration area to keep cold air when you open or close the door. 1, Color: light blue,transparent clear. 2, Surface: Smooth, ribbed (double, single, ribbed) 3, Application temperature: -20 to 60