Functional Mini party lites illuminate floral arrangements, centerpieces, place settings, paper lanterns, balloons and more Disposable party lights with a built-in loop for hanging Measures 1/2-inch diameter by 1-1/4-inch length What you get Package Includes: 24 x Waterproof Colorful Blinking Balloon Lights Kind Reminder If some lights are not bright by twisting easily the base, it may not be a quality problem, please twist with more strength. If the lights still do not work, please dismantle and install them, then try to twist them!