Start by balancing size, material, and design to fit your child’s age and lifestyle. Check appropriate chain lengths, with 14 to 16 inches for younger children and a secure, kid-friendly clasp. Consider materials: stainless steel is durable and typically hypoallergenic, while 18K gold plating offers a brighter finish that can wear over time with regular wear. Choose a style that matches your child’s personality, from simple cross pendants to themed options like Africa Map cross or Horus Eye designs, and ensure the bail and chain are smooth for safe everyday wear.