Our flat card in cover weight fits in a 4 Bar envelope, the perfect response or guest card size. Environmentally friendly, Paper Bag is made from 30% post-consumer waste and has a natural khaki color. Due to the recycled content, please note that each piece is unique and may vary slightly in color or texture. Flat size - 3 1/2" x 4 7/8" Sold in packs of 25