The 4Bar panel card is the perfect size for an RSVP, pair with a smaller 4-Bar - #2 size for a layered effect. Each panel card is made from fine European metallic cardstock. Suitable laser and professional print applications. We encourage customers to order samples to test the print-ability of the heavyweight cardstock and smaller size with your home laser printer. Mix and match with a 4-Bar size envelope.Size: 3-1/2" x 5"