There are three variants of Sofnest nesting material.

The first one is Sofnest Standard. This is Sofnest paper wool in shredded form with typical pieces being 150-180 mm long with some longer and some shorter pieces.

The second variant is Sofnest Flakes. This is Sofnest paper wool in form of flakes. this is much finer than Sofnest Standard.

The third variant is Sofnest Paper Flakes. This is flakes of unprinted paper. The paper is same as newspaper paper but without any print. This is soft, absorbent, warm material.
Sofnest Nesting Material can be purchased by going onto the Mini Packs Section