Jeffers Rubber Groomer (2-pack)4" L rubber grooming brush. Key Points of the Rubber Groomer:cleans, massages & stimulatesflexible 3/4" solid rubber teeth clean deepsize is great for small or large jobsassorted - colors may vary All Jeffers® Rubber Grooming Tools are made from 100% 1st grade rubber under controlled manufacturing conditions, to give them long shelf-life and excellent usage.