Royal Designs 10" Square Bell Basic Lamp Shade, Eggshell, 6 x 12 x 10.5 Shade Dimensions: 6 x 12 x 10.5 Shape: square Fabric: hand tailored silk-type shantung fabric, premium off-white softback lining Washer: standard (0.5 inch recess) brass-finish spider fitter with trademark stamping. This shade fits using lamps with 6 in, 8 in, 10 in glass reflector/diffuser bowls Frame: heavy Grade 1.5Mm rust resistant metal Frame. Thicker than typical standard lamp Shades