Green sísísí cónicas pt1 pendant lamp by santa & cole dimensions: d 20 x h 16 cm materials: metal, ribbon. Available in other colors. The conical shape group has multiple finishes and sizes. It consists of four sizes: pt1, mt1, gt1 and gt3, and has three different material options: cardboard, tape or linen. this piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).