Glow-in-the-dark embedded heart ❤︎ & round ● Cute name keychains ※ Please choose either ♡ or 〇 for the glowing part. What is phosphorescent powder?? ▼ It has an immediate effect, glowing with about 15-30 minutes of light absorption. The brightness and glow time vary depending on the way natural light, sunlight, or fluorescent light hits it, as well as the intensity and duration. The light will fade over time. ❤︎ Size: Approximately 2.5 x 2.5 cm ▼ Name Alphabet (gold letters) ※ If using hiragana (black letters), the number of characters is limited to 5. ▼ Phone number or date of birth can also be written on the back＾＾ Keychains Round ring Lobster clasp Please choose ♡ ◆ Basically sent by regular mail, but for Mercari mail, it's +100 yen.