Glass earrings, hollow and very light. As an air bubbles =) Diameter 2.5 cm Silver fittings. Each product is unique and created specifically for you with great love. Our jewelry is made with glass Moretti, Double Helix, Cim and by certified glass artist. All products are always checked for quality and carefully packaged for shipping. The performance period of the product depends on the complexity of the product. Basic complexity products (ordinary glass made) can be performed in one day. And, for example, DragonGlass items can be performed in a week, due to complex technological process. The actual colors of our jewelry may differ slightly from what you see due to different settings and color depth of your monitor. We want you to be happy with our glass products. Please contact us if there are any problems and we will do our best to fix it. If you are still not happy, you may return jewelry (within 7 days) for a full refund, minus shipping charges.