This astronaut necklace captures the vast universe with its unknown colors, featuring an astronaut planting a flag on a small planet and befriending aliens in a captivating cosmic scene. It makes a perfect space-themed gift for friends who love exploration and learning. Crafted from hypoallergenic S925 sterling silver, the necklace includes blue sandstone that sparkles like stars. The pendant measures 20.9mm (0.82 inches), paired with an 18+2-inch adjustable chain for versatile styling. Ideal for mothers, wives, sisters, or best friends, this universe jewelry comes in an elegant gift box. It’s a meaningful present for Mother’s Day, graduations, birthdays, Christmas, or Valentine’s Day. If any issues arise, our customer service is ready to assist. Treat your loved ones to this heartwarming cosmic treasure.