Muddy Waters Black Chalk Board Word Jar It&#39;s Fun &amp; Easy To Do, Wipes Clean;Write, Draw, Create, Express Yourself; Any Message, Anytime! Chalk measures approximately 3-1/8" long and 3/8" diameter Chalk measures approximately 3-1/8" long and 3/8" diameter It&#39;s a CHALKBOARD FRONT! Unique Money Jar;Totally Cool Erasable Design Jar is dishwasher & microwave safe