JAM Paper® Aqua Translucent A6 Invitation Envelopes measure 4.75 x 6.5 inches in size and are made out of high quality, semi-transparent, 30lb vellum paper. These envelopes feature a bright aqua blue color and a translucent quality. To keep items secure as they are mailed or transported from place to place, these envelopes have straight flaps with reliable gum closures. This pack contains a total of 25 envelopes. These envelopes are great for birthday cards, invitations, Thank You cards, and more! Their bright and cheerful color makes them e excellent for a number of special occasions including graduation parties and baby showers.