-Instant purchase OK- Tulip earrings. Approximately 21mm. Not hypoallergenic. I accidentally bought these thinking they were earrings, and they have been stored at home since purchase. The first photo's backing card is not included with the product. Please purchase only if you understand this. Affordable accessories, affordable earrings Tulip earrings, flower earrings Entrance ceremony, Shichi-Go-San (Children's Day), occasion, bridal Graduation ceremony, kindergarten graduation ceremony, Hatsumiyamairi (visit to a shrine for a newborn)