Publication 631 - Official Election Mail— Graphic Guidelines and Logos - Contents Small Use Use the small application only on labels, postcards, and envelopes with a maximum height of 4 1/8 inches and..." /> Publication 631 - Official Election Mail— Graphic Guidelines and Logos - Contents Small Use Use the small application only on labels, postcards, and envelopes with a maximum height of 4 1/8 inches and..." />