Ornament Border Stamp Ornament Border Stamp Customization Instructions: Click on 'Customize Now' on the right and follow instructions. Ornament Border Stamp is self inking. Impression can last for up to one thousand impressions before being re-inked. Most orders ship within One Business Day, but please allow between 2-3 days during the Holidays. This round self-inking stamp impression is 1 5/8" in diameter.