Glass Shade is easy to install and replace Traditional style cage ceiling shades.10 type available give you more choices High light transmittance, high temperature resistance and non-breakable Suitable for Chandelier, ceiling lamp, wall lamp, etc.with E27 lamp holder with lamp shade The glass shade is been made by hand.Maybe there will be little bubble or defect on the surface.it's not quality issue, Weight: 0.2425084882 pounds, Manufacturer: Zambuph