These wine bottle lights feature 6.6-foot silver copper wire for customizable DIY designs. They fit bottle openings with a diameter of 0.65-0.9 inches, suitable for various bottle types. The lights have an IP68 waterproof rating, ensuring safe use in different environments, though the battery case should remain dry. Price drops from $6.99 to $4.19 with code "06AR3NUU". Shipping free with prime.