Excellent flotation- buoyant and floats on top of the water and snow for increased visibilityConfidence-inspiring soft construction - easy on dog's teeth and gumsFlexible build maintains its shapeOversized - making it easy to see and pick upAbrasion-resistant materialsSize (diameter): 12inch (30.5cm)Materials:Shell:1000 denier nylon/polyester blend and 1680 denier ballistic nylonRim: 30 mm round PE foamBody: 6 mm Atilon Foam