The perfect touch of sparkle, these square stone ear crawler post stud earrings are the perfect addition to your everyday look. These simple and sparkly earrings are easy to wear for any occasion from day to evening. Made of glass and zinc metal. Hypoallergenic so you can wear all day long without irritation. How to care for your jewelry: Wipe with a soft cloth if you have had direct contact with perfumes, body lotions, hair sprays, or other chemicals. Do not submerge in water. Do not use chemical cleaners directly on jewelry.