Birthday Card - Expressing your sentiments or planning an event can be hard. Take some of the weight off of your shoulders by getting yourself an authentic birthday greeting card! Material: (350 g/m²) Paperboard.Sizes: Small: 4″ × 6″.Medium: 5″ × 7″.Large: 5.83″ × 8.27″.Toner-based printing.Vibrant colors.Comes with a complimentary envelope.