Pinwheel cookie cutter is available in 9 sizes.

Cutter dimensions*:
Mini: 2 in. tall x 2 in. wide 
X-Small: 2.25 in. tall x 2.25 in. wide 
Small: 2.5 in. tall x 2.5 in. wide 
Small: 2.75 in. tall x 2.75 in. wide 
Medium: 3 in. tall x 3 in. wide 
Regular: 3.25 in. tall x 3.25 in. wide
Regular: 3.5 in. tall x 3.5 in. wide
Large: 3.75 in. tall x 3.75 in. wide
Large: 4 in. tall x 4 in. wide

*Cutter dimensions are rounded to the nearest 1/8th of an inch and may vary slightly depending on how the cutter is measured.