Size Chart - Atlas
| Atlas Size Chart | Mini | Small | Medium | Large | XL | XXL Brooklyn Supreme |
| Total Length | 6" | 8" | 10.5" | 13" | 16" | 21" |
| Insertable Length | 5" | 6.5" | 8.75" | 11" | 13.75" | 18" |
| Circumference of Head | 3.5" | 5" | 6.25" | 7.75" | 9" | 12" |
| Circumference of Medial Ring | 3.75" | 5.25" | 6.5" | 8.25" | 10" | 12.75" |
| Circumference at Base | 4.25" | 5.5" | 7.25" | 9" | 10.5" | 14" |
| Diameter of Head | 1" | 1.6" | 2" | 2.45" | 3" | 4" |
| Diameter of Medial Ring | 1.25" | 1.7" | 2.1" | 2.6" | 3" | 4" |
| Diameter at Base of Shaft | 1.25" | 1.8" | 2.25" | 2.85" | 3.25" | 4.25" |