Assertion: envelope's size | /r/HasProperty | 1/2 inches high
Facets:
Source sentences:
text: The common sizes are 3-1/2 inches high x 5 inches long x 0.007 inches thick for mailing envelopes, business envelopes are 1/8" by 9 1/2", and mini envelopes are 2 1/2" x 4 1/4".