Day 4 Of The 12 Days Of Christmas Collection "On The Fourth Day Of Christmas My True Love Sent To Me - Four Calling Birds" In This Case 4 Birds On each side of card attempt conference call. Shipping together with envelopes, they give you everything you need to send your best regards, in style. .: One size: Closed (4" x 6") and Open (8" x 6") .: Use as portrait or landscape card .: Available in 1 and 10 pieces .: Envelopes included