Package included:1 x Wine Lock1 x InstructionFeatures & details:Material: Zinc alloy Size: 51X47mm Scope: Wine corks giftDescription:It can keep your red wine fresh.Creative zinc alloy bottle password lock wine stopper.Way to set a new password:Step 1: Password tone for the initial password 0000; Step 2: Open the password cover, toggle buttons; Step 3: Adjusted to your desired password; Step 4: Dial back button; put lid password, the new password is set successfully.Notice:Please allow 1-3mm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.