Clearly Whimsy Stamps Collection "Santa's Elves" clear stamp set, designed by Krista Heij-Barber for Whimsy Stamps. 

These playful elves and cheeky sentiments are perfect for spreading holiday cheer! Whether you’ve been naughty or nice, this set will help you create fun and festive Christmas cards that are sure to bring a smile.
 
High quality photopolymer clear stamps, use with an acrylic block Approximate size in inches: 4x6 polymer sheet.