Silver Paw Urban Quilted Puffy Jacket Grey & Black. Black & Gray Quilted Puffy Jacket with Hood. SilverShield technology. SilverShield is a patented coating composed of silver ions. The Silver Ions have the property to to kill microbial bacterias as soon as they get in their contact. Microbial bacterias are responsible for bad odors especially in a warm and humid environment. The silver ions found into the SilverPaw treatment, instantly kill the odor causing bacterias. Silver Paw treatment resists to more than 100 machine cycles. Available in the following sizes: Small: neck 9", chest 15", body length 9" Medium: neck 10", chest 17", body length 11"