Happy Birthday Rubber Stamp Approximate Image Size: 3/8" x 2 1/4" This is a deeply etched, finely detailed Rubber Stamp mounted on high quality white maple wood block with hourglass sides. Made in the United States of America with the highest Quality Materials and Workmanship. Please view our wide selection of similar Rubber Stamps! Manufactured by RubberHedgehog Rubber Stamps in Ohio, USA.