SMALL
Overall length: 3 inches
Widest-point circumference: 3.5 in / 8.89 cm
Insertable length: 2.5 inches
Weight: 1.9 oz / 55 grams

MEDIUM
Overall length: 3.5 inches
Widest-point circumference: 4.0 in / 10.16 cm
Insertable length: 3.0 inches
Weight: 3.0 oz / 85 grams