Bubble Size: 3/16 inch. Perforations every 12 inches make it simple to tear pieces as needed without the use of scissors or knives. The 125 mil thickness and smooth surface protect items against both impact and abrasions that are commonly seen when packing items. Duck Brand Foam Cushioning Sheeting Roll is an excellent solution for preventing damage of items such as frames, glassware, dishes, small appliances, and much more when being mailed or moved. Designed to maintain consistent cushioning, this foam sheeting conforms easily around most items and is also useful for filling empty areas of boxes.