"ARK's Sidekick™ Chewie is our largest oral motor chew tool. Whether you envision your Sidekick kicking an imaginary soccer ball, stretching, or dancing, this fun design is sure to put a smile on your face. Each Sidekick is smooth on both sides. It measures about 4"" at the widest part, 6"" at the tallest part, 1/2"" thick, and is the equivalent of 2 Grabbers in surface area. With 5 different extensions to chew on, it's the longest lasting shape for moderate to avid chewing. "