Made from high-quality polyester in a faux-silk style, this Cassie lampshade has a subtly tapered profile. It features a contrasting, paper card metallic inner that creates a warm glow when the light is switched on. Offering an instant refresh to your ceiling light or lamp base, it's easy to install thanks to its reversible gimble fitting. The diameter stated in the size refers to the base measurement. Good to know Our straight-sided, or drum lampshades are well-paired with modern lamp bases, while tapered lampshades work well with classic style bases. You can shop our range of lamp bases here