A different bead.

I talked to this guy on the phone about these beads. He said they are a little bigger than the dyna beads so they can't be put in your tire by way of the applicator through the valve stem, but can be installed prior to setting the bead on a tire change by pouring them inside the tire right after mounting. And at $1.70 an ounce( you get them at $1.70 an ounce if you call him direct instead of using e-bay to purchase), they are cheap enough, AND are made of ceramic like the "dyna beads".
http://www.ebay.com/itm/Tire-Balancing-Beads-11R22-5-11R24-5-225-70R19-5-33x12-50x17-35x12-50x20-balance-/190640227516?pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr&hash=item2c630b04bc