Royal Designs, Inc. Rectangle Hardback Lamp Shade, HB-613-16BLK, Black, (7 x 14) x (9 x 16) x 11, Lampshades - Amazon Canada
Black Medium Rectangular Hardback Lamp Shade 16" Wide x 8" Deep x 10" High (Spider) Replacement with Harp and Finial - Springcrest, Lampshades - Amazon Canada
Rectangular Lampshades in a Huge Range of Colours & Sizes | UK Made
Rectangular 16" Single Light Shade - Vintage White Fabric - Shade Only | Rectangular lamp shades, Rectangle lamp shade, Light shades
Zoffany Medium Rectangular Table Lamp Shade - With Colour Choices