Apex 142 Size chart
| Max Circumference(in) | 14.25 |
| Max Diameter(in) | 4.54 |
| Neck Circumference(in) | 12.75 |
| Neck Diameter(in) | 4.06 |
| Insertable(in) | 7.25 |
| Max Circumference(cm) | 36.2 |
| Max Diameter(cm) | 11.53 |
| Neck Circumference(cm) | 32.39 |
| Neck Diameter(cm) | 10.31 |
| Insertable(cm) | 18.42 |