Santana

Diameter: 400 mm
Height: 200 mm

Diameter: 500 mm
Height: 250 mm

For Corona render, it is recommended to install version not lower than 1.5, since the glossiness of materials is configured taking into account PBR.

https://kavehome.com/en/en/p/white-santana-ceiling-light-shade-with-white-diffuser-o-40-cm 
https://kavehome.com/en/en/p/santana-ceiling-lamp-shade-in-black-with-white-diffuser-o-50-cm