Romantic effect & recycle bottles: special corks shape for diy most bottle lights. Create a romantic atmosphere, ideal for table, room, patio, wedding, party, Christmas, new year and other festival decoration Universal cork shape: the size fits most bottles. Cork diameter: 0.65 inch to 0.9 inch, fit most wine bottle, whiskey bottles, beer bottles and other bottle High quality: 20 led more bright and lasting than 10 led, enough chopper wires length to decorate any you want. All copper wires are bendable and flexible too, you can make any shape you like or warp on bottle easily. Pull out the insulation strip, put the light strings into bottles, and switch the button to turn on/off the light Safe battery operated: powered by 3 Lr44 batteries, it can provide up to 20 hours of light by three new batteries. Best power-saving string lights will give you a fascinate in new lights world Warranty: we offer 1-Year quality guarantee. If you have any quality problems, please feel free to contact the seller directly. Please note that our products have 10Pack in per box and 20 mini lights in per cork bottle lights, not 20Pack