The Kong Water Wubba line is one of the toughest toys on the market. It will provide hours of fun as an interactive fetch toy, or as a self satisfying toy. Made of tough water canvas type material with reinforced stitching this line of toys is GREAT. The Wubba XLARGE is 17 inches long the main ball is 4.5 inches in diameter and there are NO Squeakers. Current colors are Green, Orange or Yellow If using with swimming pool or other water retrieval SUPERVISION IS MANDATORY.