Ustellar 16 Pack 10ft 30 Micro Starry LED String Lights, Waterproof Fairy Copper Wire Lights, Firefly Moon Lights Battery Operated (Included), for DIY Wedding Party Christmas Decorations (Warm White)DIY: Pack of 16, 3M 30 LEDs decorations are made of flexible copper materials, can be bent and shaped easily. The size of battery case is 2*0. 87 inches, the mini size is very easy to hide into your design works WATERPROOF: The LED cooper string light is waterproof (battery box not), and the copper wire part can be put into water to achieve amazing atmosphere effects. Fully sealed make the firefly light possible to use both indoor and outdoor EASILY