Biohazard Symbol — Red, Dramatic

1024 × 768

Keep Clear Sign

1920 × 1080

Dark Figure in Yellow

1280 × 960

Radioactive Warning Symbol — Yellow Background

1440 × 900

Radioactive Warning Symbol — Yellow, Text

1440 × 900

Radioactive Warning Symbol — Yellow, Illustration, Yellow Background, Black Symbol, Text

1680 × 1050

Radioactive Symbol — Yellow

1440 × 900

Radioactive Symbol — Yellow, Warning

2560 × 1440

Radioactive Symbol — Red

1055 × 791

Yellow Warning Sign — Vector Art

1474 × 1303

Biohazard Warning Sign — Yellow, Vector Art

2000 × 1500

Biohazard Symbol — Yellow, Ominous

1920 × 1200