EnDoc6x6 Square Envelopes - Can be used for Invitation, Greeting Cards, Etc. 6 x 6 Inch Bright White Envelope - 25 Pack

EnDoc 6x6 White Square Envelopes Self Seal - 25 Pack - Heavy-Duty 28lb Paper - Invitation Envelopes for Wedding Card Invitations, Christmas Greetings, Party, Photos - Office Envelopes for CD, DVD

50 Pack Colorful 6 x 6 Envelopes Square Envelopes Self Seal for Wedding, Party Invitations, Greeting Cards, Announcements, Photos, CD/DVD Sleeves (Colorful)

Best Paper Greetings 50 Pack Square Envelopes, 5.5 x 5.5, for Greeting Cards, Wedding Invitations, Self Adhesive Peel-Off-and-Stick (White)