A7 Envelopes - Sun Yellow - 5 1/4 x 7 1/4 (25 Envelopes) Envelope Size: 5 1/4" x 7 1/4". Fits Card Sized: 5" x 7". 60lb paper weight (standard quality, 24lb bond, a bit heavier than copy paper) Square Flap (gummed). Color-Sun Yellow