100% CottonSold per panel. Pin hooks included, but drapery rod rings are not included. Pin hook has a ratchet system to make them adjustable. Pin hooks height adjustable within 3 inches. Panel width is the width that pleats already set.50% cotton 50% Polyester and cotton blend, 360gsm weight, Drapble, breathable high quality fabric. Back Liner: 100% polyester black yarn woven inside, 140 gsm weight.Measure length from the eye ring where the curtain hooks attached. If rod or track length is 100, add 1.1x fullness or additional 4 width for overlap and gap privacy, then order 1 panel of 110 or 2 panels of each 55 wide. It works for traverse rod or pole with rings ( instead of rod with clip rings).Pleats space apart 5.5-6.5 inches. Pleats pin hooks quantity: 9 pleats for 50 width; 13 pleats for 72 width; 15 pleats for 84 width; 19 pleats for 100 width; 21 pleats for 110 width, 23 pleats for 120 width, 29 for 150 width, 35 for 180 width and 37 for 200 width.Easy care, gentle circle. In between cleanings, use a soft-bristle brush to dust.