So this Parafilm dispenser is complete garbage , any time you pull on the roll the door opens . the little blade that slides back and forth to cut the Parafilm does not cut at all it crudely Tares the backing paper . You be better off ripping chunks off by hand . Save yourself some money and buy a decent pair of Scissors

It shows that it fits the double roll but when I put them in, it would not even go all the way down. Unfortunately, will have to return. I hope that there is a bigger option

My new favorite lab purchase! It cuts the parafilm cleanly. I appreciate that it comes with an extra blade. Very easy to use. It comes with an extra piece you can hook onto the back for storage (I use mine for if I cut too much parafilm and for the extra blade).