ColorClassics Photo Note Cards are made in the USA from 100% recycled paper and Certified Wind Power. These "Window Cards" are designed to help you send, share and remember your favorite photo memory with family and friends. They make the PERFECT foundation for card making, invitations and framing a piece of artwork. ColorClassics Photo Note Cards hold a 4" x 6" insert and include white envelopes. Blank inside for a personal message.TheSampler "SPRING" boxed set contains six each of four different cards and envelopes.