Fix up any broken or burnt-out bulbs with National Tree Company's Multicolor incandescent Replacement Bulbs. These 25 UL, 2.5 volt incandescent bulbs are designed for use with 50 bulb light strings that sit on trees, garlands, wreaths and similar lighted decorations. Using high quality, incandescent light bulbs, these replacement lights are sure to bring holiday cheer for years to come. At National Tree Company, we believe that special holiday memories do not have to be far and few between. This Christmas season, let our decorations transform your home while you focus on creating more of those magical moments. Details: * Not Compatible With Trees Purchased Before 2021 * Contains one set of 25 UL listed, 2.