Caution: This is Sparta warning sign

1600 × 1200

Caution sign in Spanish

4000 × 3000

Keep Door Closed sign

1600 × 1000

Caution radiation warning

3840 × 1080

Warning Sign with Text — Gray, Serious

1680 × 1050

Danger warning sign

1980 × 1080

Warning Sign with Text — Red, Vector Art

1920 × 1200

Warning Sign Text — Black, Serious

1024 × 768

Sign with Warning Text

1024 × 819

warning sign with reflection

1920 × 1080

Danger Sign Text

1280 × 1024

Sign with Red Text

1024 × 768