hipsi Is A Refreshingly Different Natural Organic Fibre Bedding That Is Hygienic, Super Absorbent, Odour Binding And Dust-Free With Anti-Microbial Properties. It Is Made From Renewable Forrests Of Spruce And Fir (Not Pine)! Suitable For Rodents And A Variety Of Other Small Animals. Highly Compressed And Will Greatly Expand When Fluffed Out From The Pack.