Hello, up for offers is a Clayton Green Diving Helmet. very nice for the Diving Helmet collector. been sitting in a collection of helmets letting this one go! helmet is very nice it has twin exhaust, controls, and communication cup on top. helmet is heavy about 35lbs-40lbs will be packaged and shipped by UPS. tag reads SWH-5 Clayton GreenSolo Diving Systems. this helmet will also be in the newBook Helmets of theDeep 2 by Leon Lyons comming out soon..Happy offerding!