Material: PlasticColor: blackSize: 43mm*43mmFunction: To help keep the wine and keep the wine can't be stolenEasy to save wine and Environmental protectionHigh Black Plastic Wine Stopper Digital BottleLocks Safe Gift Locks. This a code lock which can lockthe mouth of the red wine bottle,makes the wine bottlesealed,keep the red wine in bottle . It can preventred wine being stolen drunk or switched. Red wine withthis code lock will be very safe.It's suitable to be usedin pub,wine shop,hotel,super market etc.It's also suitablefor promotional gifts.PS: password setting :: Press and hold the silver round button on top;2nd step:Adjust the number on top( initial password:000)to a new password you to set;3rd step: Release the button,password setting will be finished.Package Included:1 x Wine Stopper LockOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.