please buy  3 pairs at minimun.

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

Serial Number: 1 (1.0cm)	Serial Number: 2  (1.0cm)
Serial Number: 3 (1.0cm)	Serial Number: 4 (1.0cm)
Serial Number: 5 (1.0cm)	Serial Number: 6 (1.0cm)
Serial Number: 7 (1.0cm)	Serial Number: 8 (1.2cm)
Serial Number: 9 (1.2cm)	Serial Number: 10 (1.2cm)
Serial Number: 11 (1.2cm)	Serial Number: 12 (1.2cm)
Serial Number: 13 (1.2cm)	Serial Number: 14 (1.2cm)
Serial Number: 15 (1.2cm)	Serial Number: 16 (1.2cm)
Serial Number: 17 (1.2cm)	Serial Number: 18 (1.2cm)

Serial Number: 19 (1.2cm)	Serial Number: 20 (1.2cm)
Serial Number: 21 (1.2cm)