Use it for birthdays, parties and any time you just want to say thanks! The Thank you card is designed to print on 8.5 x11 standard letter size paper and fold after cutting. Folded, the thank you card is approximately 4×6 inches. Also included is a printable 4×6 inch JPG Thank you for printing a non-folding option. With the non folding option simply write your message on the back. Download your free Thomas the tank engine Thank you card below.