Description Have you discovered them? Slimline Cards have become so popular, and our demo artists and customers have been asking for them. Standard Slimline prefolded announcement cards fold to 3 5/8″ x 8 5/8″ and the matching envelopes are 3 7/8″ x 8 7/8″ — both come in our standard Cougar Opaque white and natural. Mini Slimline prefolded announcement cards fold to 3 1/2″ x 6 3/8″ and the matching envelopes are 3 5/8″ x 6 1/2″ — both come in our standard Cougar Opaque white and natural. 50 cards or envelopes per package.
