There are said to be people who don't care for the Duck Duck Jeep thing.
Other colors available upon request.
 
Mini measures approx 1.25" x 1.5" x 1.5"
Small measures approx 1.5" x 2" x 2"
Med measures approx 2.5" x 2.75" x 2.5"
Lg measures approx 2.5" x 3" x 3"