The lamp shade ring is made of plastic material, hard to fade and break, light-weight and durable, and reliable enough for no fading or breaking problems. The lamp shade ring has high heat resistance, an excellent replacement for your missing or broken lamp holder rings. Features -Color:Black -Material:Plastic -Size (E26):5.40X5.40X1.10cm/2.12X2.12X0.43in -Size (E27):5.80X5.80X1.00cm/2.28X2.28X0.39in -The inner diameter of E26: 3.3cm/ 1.29in. -The inner diameter of E27: 4cm/ 1.57in. - Made of plastic material, lamp shade adapter is durable with wear resistant, very practical. - With reasonable design and high adaptability, lamp shade ring can be well applied to your lamp. - Lamp holder rings are easy to install in seconds, durable, safe and convenient for you to use. - With strong stability and durability, lamp shade ring can be used directly to replace old or damaged ones. - Use this lampshade ring on lampshade to decorate your living room, bedroom, kitchen and any place you like. Package list: 10 x E27 Lamp Shade Rings 10 x E26 Lamp Shade Rings