Rectangular Lampshades UK Made in 70 Colours and 7 Sizes - Imperial Lighting
Springcrest Natural Burlap Medium Rectangle Lamp Shade 8" Wide x 5" Deep at Top and 14" Wide x 11" Deep at Bottom and 10" Slant x 9" Height (Spider) - Walmart.com
Rectangle Lamp Shade - P55 - Black Lokta, 40cm(w) x 20cm(h) x 20cm(d) – Imbue Lighting
12in Narrow Rectangular Linen Lampshade - Natural | OKA US
Zoffany Medium Rectangular Table Lamp Shade - With Colour Choices
Postbox Red Table Lamp Shade in Rectangle Shape in 13, 15 and 17 Inch Sizes | eBay