Pet Life 'Dumbbell' Durable Chew and Fetch TPR Waterproof Floating Dog Toy is composed of a specially formulated TPR material that is tough like rubber yet flexible. Perfect for summer and year round play, this toy floats in the water great for water fetch. Massages the gums during play for optimal oral hygiene. Sizing Guide - Size Dimensions LxWxH (In Inches) - 7.67 x 3.54 x 2.36