Brazilian Pet retriever roll rawhide uses WHOLEGRAIN hide . Traditional rawhides include only the inner layer. Thisrawhide uses the top grain as well, with completly diferent properties that enhances the following properties: â¶ Great thickness: Substantial increase in the chewable volume mass â· Flexibility: Does not brittle and does not break into pieces. It gradually wears away as it is being chewed. â¸ Long lasting chew: Because of the material resistance, it increases several times the chewable time and enjoyment for your pet and saves you money â¹ Saefty: Minimizes risks and is easier to digest. âº Single Sheet: It doesn't need to include filings or loose pieces since the roll is a made of a chunky thick single pice of hide.