The interior of this Designer Greetings milestone birthday card design reads: Wishing you a year that is far and away your best one yet! Happy 50th Birthday. The card measures 5.25x7.5 inches and is printed on heavy cardstock. Includes 1 card and 1 envelope. The card has the following special features: lenticular, full color interior. From the 3D by Designer Greetings line of cards. The lenticular 3D printing process used on this colorful 50th birthday card design creates an incredible look of depth when viewing the hot air balloons as they float in a light blue sky. The printing process allows the images to move as the card is viewed from different angles.