White metallic 5 1/2 x 5 1/2 envelope – Curious Metallics Ice Silver: This square invitation envelope is made with heavyweight 80lb paper with a shimmer finish. Envelope has a straight flap. Order blank and print at home with a laser, or take advantage of our envelope printing service. Pair with matching metallic card stock to make 5 inch square invitations, stationery, or greeting cards. Great for use as a modern wedding envelope!