Lux presents antique style 8. 5 x 11 inch envelopes that are preferably used for wedding, birthday and special occasion invitations. They are also available in aquamarine metallic-color. Color: Aquamarine Metallic. Paper Weight: 105 lbs. Type: Card Stock. Size: 8. 5 x 11-inch. Features: Envelopes for Invitations & Over Sized Cardstock. Sealing Method: No Glue. LUX 105lb. Aquamarine Metallic Card Stock is durable and high-quality to meet all your needs!. Color Description Perfectly matched to our Aquamarine Metallic envelopes, this solid 105 lb cardstock is thick and tasteful. Use it for invitations, greeting cards, announcements, seating name cards, scrapbooking, signs, gift tags and even for wall art projects! You can create softer folds or apply stamping and silkscreening techniques to get stunning one-of-a-kind designs!