20CM Drum Lampshade Manufacturing Pack - 25 KitsLampshade Manufacturing Kits. These come with adjustable lampshade frames so the will fit both ceiling and lampshade fittings with the same ringset ,Reducing stock by 50%! Each pack comes with the materials to make 25 lamshades. Available in 3 sizes: 20cm Diamter x 18. 5cm High Most suitable for bedside lamps 30cm Diameter x 24. 5cm High Most suitable for small medium table lamps 40cm Diameter x 26cm High Most suitable for large table lamps or a