Cane Hat Set 6 hats per set. Brim to Brim/Inside Head. 2in(5cm)/1in(2.5cm), 2.75in(7cm)/1.25in(3cm), 4in(10cm)/1.5in(4cm, 5in(13cm)/1.75in(4.5cm), 5.25in13.5cm/2.25in(6cm), 6.25in(16cm)/2.5in(6.5cm).