JAM PAPER 3 1/8 x 3 1/8 Square Invitation Envelopes - White - 25/Pack Tiny Square White Envelopes Size: (3 1/8 x 3 1/8) inches Quantity: 25 envelopes Features a unique square shape, square flap and gum closure. Perfect for Greeting Cards, Invitations, Weddings or any announcement.