Size: Small. Our small breed eco-friendly bamboo brush has no glue, toxins or paint. It’s made with dental-grade ergonomic nylon bristles from recyclable material and the handle is carved from a single piece of naturally grown Moso Bamboo. The biodegradable and naturally anti-microbial ergo handle is coated with soybean wax to make the grip for brushing a K9’s canines easier. This product helps us plant trees with One Tree Planted.