Playful Dinosaurs Thank You Cards - 24 Cards & Envelopes 24 Playful Dinosaurs Thank You Cards and Envelopes Dinosaur Thank You Cards measure 4.875" x 3.375" (USPS Standard Postage Size) Cards and Envelopes made from 100% recycled stock (White) Designed, Printed and Hand Assembled in the USA Blank Inside for your personal message!