The Uiltimax Bean Bag Replacement fill is perfect for reviving your well loved bean bags.   The ultimax refills are larger 1/4" diameter (guesstimate) styrofoam like beans so should hold well against lots of use. This bag of fill was more than enough to refill 2 very flat 19"x19"x16" bean bags. I still have plenty to refill in 6 months as the kids continue to use their bean bags!