This Wine Bottle Cap Lock with Code is made of high quality black plastic, which can prevent theft and contamination of your red wine. Its code can block the mouth of the bottle and keep the wine fresh. Easy to use, this lock is suitable for bar, wine shop, hotel, supermarket and also for gift giving. Size is 40x45x42mm, weight is 35g. Description: 100% Brand new and high quality easy to store wine and protect the environment High Quality Black Plastic Red Wine Bottle Digital Cork Security locks Gift locks. This is a lock code that can block the mouth of the bottle of red wine, makes the bottle of wine sealed, keep the red wine in fresh bottle. it can prevent Red wine being stolen drunk or swapped. red wine with this lock code will be very secure. It is suitable for use in bar, wine shop, hotel, super market etc. It's also suitable for promotional gifts. how to use: Step 1: Press and hold the round silver button on the top; Step 2: Set the number at the top (initial password: 000) to a new password you want to set; Step 3: Release the button, password setting will be finished. Material: Plastic size: 40x45x42mm black color Weight: 35g Package Includes: 1 x Stopper Lock notice: due to different computer monitor and different light shooting, perhaps a slight color difference can not be avoided, hope you do not mind.