This is a 10 pack of T3 bulbs with a G4 bi-pin base. Each bulb is fully dimmable and made with 100 percent Xenon gas. These bulbs are low pressure, which does not require shielding. They are ideal for pendants. 

• SPECIFICATIONS: Included in this package are 10 individual 10 watt T3 bulbs. Each T3 bulb has a G4 bi-pin base. Each Krypton/Xenon bulb is 10 watts, 100 lumens and 2800K. These bulbs are fully dimmable. Dimensions are ‎2.76 x 1.84 x 4.84 inches. Made with 100 percent, low pressure Xenon gas.
• FULLY DIMMABLE: These bulbs are fully dimmable, meaning they will work with your home's existing dimmer switches and technology. Simply insert into any bi-pin base fixture and adjust for the perfect amount of lighting in any room for any occasion or mood. 
• XENON KRYPTON LIGHT: Same bright white light as a halogen using pure xenon gas from Japan. Xenon and Krypton gas is considered the original halogen alternative. They can produce more lumens and brightness with less wattage than incandescent and halogen bulbs. 
• SOFT WHITE LIGHT: With a Kelvin score of 2800 each, these bulbs emit a warm white light. This rating means your lamp or ceiling fixture will emit a perfect amount of light that is not too dim and not too harsh. They're also fully adjustable meaning you can control the ambience of your room.
• MULTIPLE USES: Perfect for line voltage torchiere lamps, pendants, ceiling fixtures and portables. Available in a variety of wattages, as well as clear and frost finishes for different lighting effects. The clear glass offers direct light while frost diffuses the light.