Ranch Rewards RR297 06 Prem Prssd Rwhd Bone 90Pcs Lasts up to five times longer than regular rawhide because it is compressed so tightly. Made from pressed layers of top-quality rawhide. Heavier and denser than regular rawhide. Material - 100&#37; Natural Rawhide. Processed using only hot water and peroxide. No other chemicals used. .