Milk chocolate - Tax season wrapper bars. Bite Back at the IRS 1040 2011 100% Belgian chocolate bar. These Belgian chocolate bars have a message engraved in the chocolate and repeated on the colorful wrapper. Each bar measures 2 x 5 and weighs 1.2 oz. Help make tax season a little easier to swallow. Kosher Certified: Manufactured under the supervision of the Orthodox Union. Price below individually. Sold only in case quantities of 50 bars.