how to protect the product: avoid wearing it while sleeping, avoiding wearing it while playing, and avoiding wearing it in the shower. the product is made of stainless steel and has the characteristics: not afraid of water, not fading, not allergic, not rusted we have a good design team to help you design your earing. this product is a fashion hoop. we are factory, huge discount for wholesaler, please contact us if you need large quantity. we usually ship in about 5 business days after your order,total ship time usually take about 2-4 weeks..syi