please buy  3 pairs at minimun.

Dear Customer, you can choose your favorite products sequence number to buy goods.

Serial Number: 1 (1.2cm)	Serial Number: 2  (1.5cm)
Serial Number: 3 (1.8cm)	Serial Number: 4 (1.2cm)
Serial Number: 5 (1.5cm)	Serial Number: 6 (1.8cm)
Serial Number: 7 (1.5cm)	Serial Number: 8 (1.8cm)