Use Chart to Select Your Pump-N-Gro Personal Size.
To Use Self Sizing Chart ...
1) You Need to Take a Measurement of Yourself... 2) Use a 1/2 by 8 inch Strip of Paper & Marking Pen ... 3) Wrap Paper Strip Around Your Penis & Mark Circumference ... 4) Lay Paper on a Flat Surface / Note Circumference in Inches ... 5) Find Tabulated Circumference within Table - Note Pump Size.
If you are 4.40 inches in circumference - Select Size #15
If you are 4.80 inches in circumference - Select Size #16
If you are 4.00 inches in circumference - Select Size #14
If you are 3.60 inches or less - Select Size #13
If you are 3.65 inches - You may choose either #13 or #14 ( to get either a tight or loose fit )