Clearly Whimsy Stamps Collection "Doggone Birthdays" clear stamp set, designed by Crissy Armstrong for Whimsy Stamps. 

This dog themed birthday set is a GRReat way to send birthday wishes to your pooch loving friends. Set includes 3 dog images, balloons, balls, and coordinating sentiments. 
High quality photopolymer clear stamps, use with an acrylic block Approximate size in inches: 4x6 polymer sheet.