These Copper wires are Water-resistant, so there is no any problem to use it in the rain. It is tiny size so easily to hide away and disappear from the scene. NOTE: the battery box is not waterproof so do not expose it to water. Thanks to the flexible and thin copper wire materials, it can be bent and shaped easily; Such as shaped around plants, signs, furniture and almost everything else - Shatchi 100 LEDs Gold Wire With Cool White LEDs Copper Wire Indoor Battery Operated StringLights