DONT WASTE ANY EMPTY BOTTLES, THEY ARE ALL ARTWORK! NO CUTTING, NO PUNCHING FEATURES: Specification: The festival is approaching, what are you waiting for, and quickly dress up your home in a colorful way, so that your bottle is not lonely. Note Q:Can you use these in bottles containing alcohol, or only in empty bottles? A:The copper wire and led bulbs are waterproof, so you can put the wire into the bottle with water. But the cork part is not waterproof, please keep it away from water. Q:Would these fit a Corona bottle? A:These lights fit most of the bottles, the size of the light cork is 0.6-0.9inch, kindly check the size of the corona bottle neck is between 0.6-0.9in or not. Q:What size batteries do I need to purchase as replacements and where can I get them ? A:Need 3 pcs LR44 batteries for supply. You can buy them in market or Online Shop, easy to find them. Q:Cant they be used outdoors? A:The wire of the lights are waterproof, but the cork part is not. So if you want to use outdoors, please keep the cork dry. Q:Anyone with tips on how to easily get rid of the labels on the wine bottle? A:Soak them in warm or hot water and then use a single edge razor blade to scrape to scrape the label. Q:Will these work for village lights? Can the corkpart just set on a cabinet and lights fit into the hole of village pieces? A:Sure! The cork is not so big that it cannot be hidden. Q:How to choose different colors A:If you need a different color, you can add the color you need to the cart and pay together, the system will directly deducts the discount amount Q:I know the cork isnt water proof. but can the lights be submerged in the wine? ok, im sure they canbe submerged, but will they continue to work? A:It shows you can relievedly put the LED STRING in the Water or wine of Low Concentration. But NEVER let the plastic cork to access to water!Because the led light all covered by plastic beads which means it is waterproof. While the cork is NOT waterproof!