Vermiculite - Fine 4 CF Special Order by Request -Consider Coarse Vermiculite

It is the preferred material for seeding, plugs, small cells, and moisture-retentive soil mixes. Horticultural vermiculite is permanent, clean, odorless, non-toxic, sterile, and pH neutral. It will not deteriorate, turn moldy, or rot. It is frequently combined with soil, peat, composted pine bark, and fertilizers to perfect the soil for your specific use.  

Consider buying Vermiculite Coarse for a small amount more.