WHAT SIZE SHOULD I ORDER?Please MEASURE your table top prior to purchasing. For example: Table top diameter 48", then go for 48" Round size.WHAT'S THE DIFFERENCE BETWEEN CLEAR AND FROSTED PAD?The clear pad looks like glass, transparent and see through. The frosted pad has a textured finish which helps to prevent air bubbles, also makes the pad less sticky. It's translucent.WHAT'S THE DIFFERENCE BETWEEN THIS NEW UPDATED PLASTIC AND ORDINARY PLASTIC?Unlike ordinary plastic material, the NEW UPGRADED plastic is ODORLESS and NO PLASTIC SMELL, quality is better.