A floating glow-in-the-dark Chuckit ball for your dog and a shock absorber for you. Chuckit Max Glow Balls turn green in the dark. Three sizes: Small 2" (5cm), Medium 2.5" (63mm) and Large 3" (7.6cm). Medium and Large balls have our GRIP ULTRA bungee that has three times the resistance than standard bungee giving you the maximum shock absorption. Small has a stitched handle and no bungee. Chuckit balls are non-toxic, rinse clean, durable and will not wear down your dog's teeth. Measures: Small 8-1/2" (22cm); Medium and Large 14" (36cm) long; stretches to 19" (48cm). Glow in the dark balls are perfect for playtime in the darker days of fall and winter.