What is its quantity? When they are numerous, food for two meals for all of them; when they are few, the volume of a dried fig, as in the case of transferring on the Sabbath, for each and every one.

R’ Yose said: To what do these words apply? To the installation of the eruv, but for the remnants of the eruv, any amount. For they only required an eruv in courtyards not to let the children forget.