Brain in a jar crossbody purse that will give you a great talking point. Gross out your friends with science! This Brain in a Jar Crossbody Purse is perfect for Halloween fun and for any time of the year when you want a little extra brain power. The faux leather outer shell is shaped like a canister and decorated with colorful graphics to make it look like a pink brain inside of a glass jar with a gray lid. Its included straps are length-adjustable and the zippered closure opens to reveal an inner pouch for your possessions.