Photopolymer stamps create clear, crisp images. Easy to use and accurate to place, they adhere to any clear acrylic block (sold separately).

'Happy Bird-Day To You' measures approximately 1 3/4" x 1 3/4", birthday bird measures approximately 2 3/16" x 2".

Overall stamp sheet measures 4" x 5 3/4".

Step-by-step instructions for this stamp set is available here: Birthday Birdy Peek-a-boo Card