Red Year Button for Any Birthday. Look back and note your special year wit this personalized red birth year button. This 2.25 inch button is personalized with your signature year, e.g. 1967, 1957, etc. We have had customers who place a pile of these on each party table as a decoration, or hand them out as a year party favor. We are very speedy at producing these, so they will not delay your order shipping out.