Children's Earrings: Surgical Steel with Gold IP Blue/Pink Flowers with Screw Backs

Measuring 7.5mm, these pretty flowers in blue with pink glitter enamel centres, will be her favourites.  Suited to girls from perhaps age 4 or 5 to teens.  Currently available in 6 colourways.  What is gold IP? "To begin with, a layer of titanium nitride is added to the base surface of stainless steel. Additionally a final plating metal (18k gold) is added to the surface; the thickness of this layer is no more than 0.3 urn. ... Given its durability and chemical stability, ion plating is rightly called “permanent” coating."