Our 4 bar flat cards are made from cover weight paper and fit into 4 bar envelopes. Perfect to use for wedding response cards, or mix and match colors to create your own stationery set. In our soft cotton Luxe Blush paper - made in one of the oldest paper mills in Italy. 30% PCW Size - 3 1/2" x 4 7/8" Sold in packs of 25