100% Australian Made and with at least 96% Protein with Less than 0.1% Sugar the MARROWZ Chews are a long lasting treat great for enrichment & mental stimulation, assisting to alleviate stress/anxiety all whilst promoting dental health. This unique chew activates and softens with saliva, releasing the protein's appetizing smell. Unlike traditional raw bones that can be harmful with not only bacterial concerns but also shards/splinters, the unique softening nature of the chew means sharp pieces are no concern. Keep the chew dry when not in use. The MARROWZ chews contain no Glycerin or added Preservatives, Sugar or Salt. As one of the most abundant proteins in the body, Collagen is known as an important component of Healthy Joints, Skin, Muscles and Bones.