DIMENSION: Outer diameter4" (actual 100mm=3.93’’), height 6”. The hole at the bottom is 1.65”(42mm). Wall thickness about 2.5mm. Size variation +/-1mm. FINISH: Bubble Glass QUALITY MATERIAL: High quality glass. It creates a truly unique look by adding a vintage Edison bulb. SIMPLE DESIGN: Simple style but awesome. It is great to add a bit of romantic atmosphere to different homes with different styles. It should be the ideal choice of modern residential decoration. SAFETY GUARANTEE: Our glass lamp shade is well packed. In case received broken, we will offer replacement or refund. GoLucky Opal White Cylinder Frosted Glass Shade Accessory Bubble Glass Lamp Fixture Glass Shade Replacement Clear Glass Pieces with 1-5/8 Inch Fitter Multiple Specifications