Friendship/729 Sponge Reviews
| Sponge Name | Speed | Hardness | Glue Effect | Overall | Price | Ratings |
| Friendship/729 HRS | 9.0 | 5.5 | 8.0 | 8.8 | $ 4.00 | 7 |
| Friendship/729 Magic Red Sponge (MRS) | - | - | - | - | $ 5.00 | 0 |
| Friendship/729 Orange | 5.0 | 6.0 | 5.0 | 8.0 | $ 3.50 | 2 |
| Friendship/729 Reactor | 10.0 | 0.0 | 10.0 | 10.0 | $ 5.00 | 1 |
