The Pet Life dumbbell floating dog toy is composed of a specially formulated TPR material that is Tough like rubber yet flexible like plastic. Perfect for summer and year Round play, this toy floats in the water great for water fetch. This toy is also very durable and great for dogs while teething or helps relax the gums in elder dogs or puppies. Available in a fun Red and Blue coloration. Sizing guide: size Dimensions lxwxh (in inches): 7.67 x 3.54 x 2.36.