Deposited items will be added instantly. During the 7 day trade-lock, the items can be reserved by users and withdrawn as soon as the trade-lock is through.
Items are traded for 7 days minimum per this hold. Items cannot be traded for 1 day.
For more information on how trading works on Steam, please follow this link - https://help.steampowered.com/en/wizard/Login?redir=%2Fen%2Fwizard%2FHelpWhyCantITrade&title=Sign+in