Hold on tight, it's going to be a bumpy ride!
Small
5.5" insertable length
1.7" largest diameter
Medium
6.6 insertable length
2.1" largest diameter
Large
7.8" insertable length
2.5" largest diameter
X-Large
9.4" insertable length
2.9" largest diameter
XX-Large
10.6" insertable length
3.3" largest diameter