Package Including: 100 pack A7 Invitation envelopes (5.25 x 7.25 in). Superior quality: Made of 120 Gsm paper. Keep envelopes sturdy, hard-wearing and private. Easy to Seal: No need to seal with water, just peel and press. Multipurpose: invitations, Wedding, graduations, birthday, baby showers, business cards, thank you notes, Christmas Cards, greeting cards, announcements, etc. Printer Friendly: Compatible with printer models. No need to worry about smudging or having the envelopes engulfed by printer. weight: 0.31 pounds.