Measurements:
| Height | Usable | Max Circ. | |
| Mini | 4.5 | 3.8 | 6.25 |
| Small | 5 | 4.25 | 7.25 |
| Medium | 7.75 | 5 | 8.5 |
Shop Mars
All measurements are in inches and can vary slightly due to the handmade nature of these products.
Mars
| Height | Usable | Max Circ. | |
| Mini | 4.5 | 3.8 | 6.25 |
| Small | 5 | 4.25 | 7.25 |
| Medium | 7.75 | 5 | 8.5 |