This poster is too thick for a three inch tube so it has to go in a four inch thick diameter tube. We are here to make people happy, thank you for your business. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists G\Grateful Dead\Posters". The seller is "thegratefuldeadsource" and is located in this country: US. This item can be shipped worldwide.