1Meaning of Necklace: The necklace means that no matter what you want, even the stars in the sky, I will pick it for you, which is very romantic. 2Wide Application: Very suitable for daily wear. It can be worn in any place, and it can also be worn at festive parties and shopping. 3Adjustable Length: The long chain of the necklace is suitable for men and women, and the length can be adjusted for a comfortable fit. 4Holiday Gifts: Astronaut couple necklaces are particularly suitable as gifts for boyfriends and girlfriends, couples, and best friends on birthdays, Valentine's Day, and anniversaries. 5High Quality Alloy: Made of high quality alloy, which is not rusty, non fading, durable, hypoallergenic, lead free and nickel free, and safe for the skin.