Trefoils and Radiation Warning Signs - Free to Download

This page provides a selection of trefoils and radiation warning signs in common international use.

This collection includes eight trefoils and radiation warning signs commonly used internationally. They are free to use. To download, click on the link above each label. Note: Larger images can be resized to specified dimensions without pixelation.

Available Downloads

Package Labels

1)  Package Label - Cat I (White) (9x9 cm)

2)  Package Label - Cat II (Yellow) (9x9 cm)

3)  Package Label - Cat III (Yellow) (9x9 cm)

Trefoil Symbols

4)  Type "A" Trefoil Symbol (20x20 cm)

5) Type "B" Trefoil Symbol (8x8 cm)

Danger Symbols

6)   Type "C" Danger Radioactive (8x8 cm)

7)  Type "D" Danger Radiation (8x8 cm)

Vehicle Labels

8) Type "E" Vehicle Label (20x20 cm)