Neo Ball Z, 21W energy-saving fluorescent light bulbs made by TOSHIBA. Selling as a set of 4. Stored at home, the boxes have some dirt and minor damage, so I've listed them as "Like New." The products themselves are unused. They have been tested once to confirm they light up. All are in working condition. ⚠️ Will not sell individually. - Brand: TOSHIBA - Model: Neo Ball Z EFD21EN - Wattage: 21W - Brightness: Equivalent to 100W - Base: E26 - Lifespan: Approximately 8 times longer There are 2 of these. - Brand: Takeda Corporation - Model: Fluorescent light bulb - Wattage: 21W - Brightness: Equivalent to 60W - Base: E26 - Lifespan: Approximately 6000 hours There are 2 of these. Please purchase only if you understand that these items have been stored at home and may have scratches, dirt, and damaged boxes. There may be marks on the base from the lighting test. Please be aware of this. I strive to provide a pleasant transaction. Thank you for looking.