Size:
Extra Large MDS601BD with Circumference of 22"-
32" (55.9 cm - 81.3 cm)
Large MDS601LD with Circumference of 18"- 22"
(45.7 cm - 55.9 cm)
Medium MDS601MD with Circumference of 12"- 18"
(30.5 cm - 45.7 cm)
Small Short MDS601PD with
Circumference of 9"- 12" (22.9 cm - 30.5 cm)