Filter

Ink Color

1. Black (5)
2. Blue (6)
3. Green (1)
4. Pink (1)
5. Purple (1)
6. Red (5)

Retractable / Capped

1. Capped (13)
2. Retractable (6)

Brand

1. Pentel (7)
2. Pilot (12)

Price Range

1. Under $10 (19)

Body Color

1. Transparent Black (5)
2. Transparent Red (5)
3. Transparent Blue (5)
4. Transparent Green (1)
5. Transparent Pink (1)
6. Transparent Sky Blue (1)
7. Transparent Violet (1)