These Clear finish 25W golfball (round) light bulbs emit the familiar warm white light of traditional incandescent light bulbs, and the SBC-B15d small bayonet (15mm) will fit existing light fixtures, making it easy to find a direct replacement for your current light bulbs.Incandescent light bulbs have been in short supply since the EU introduced a phased ban on them several years ago. Since September 2018, all incandescent light bulbs have been banned from sale in the UK (with the exception of specialist light bulbs that have no energy-saving alternative).Need more help in choosing a suitable light bulb? Read our guide What is a Golfball Light Bulb.