1006926 Hyskore Rest Bag Fill- 5 LbsHyskore rest bag fill is an excellent fill medium for all rest bags. It consists of uniform size plastic pellets that are non organic and, therefore, do not mildew or decompose. It is lightweight and stable so that the rest bag itself is stable and easy to transport.Features of 1006926 Hyskore Rest Bag Fill- 5 Lb..