Cuttable Sizes: 54.6 Yards x 4Inch/ 50mx10.2cm. The perforated tape is long enough to be cut to fit the size of the curtains. Material: Mainly composed of nylon, Extra density design, Close-meshed, high strength and toughness, high wear resistance, good pressure resistance, not easily deformed and damaged. Minimalist Design: Light weight, white color is extremely textured, both sides of the sewn edge wrap design, not easy to break. Simple Guide: Sew into the topmost part of the curtain fabric to create wavy pleats. For daily cleaning you can use hot water and air dry. Multiple Uses: Not only can it be used for perforating curtain fabrics, but it can also be used for craft purposes such as drapery, costume making. Cuttable Sizes: 54.6 Yards x 4Inch/ 50mx10.2cm. The perforated tape is long enough to be cut to fit the size of the curtains. Material: Mainly composed of nylon, Extra density design, Close-meshed, high strength and toughness, high wear resistance, good pressure resistance, not easily deformed and damaged. Minimalist Design: Light weight, white color is extremely textured, both sides of the sewn edge wrap design, not easy to break. Simple Guide: Sew into the topmost part of the curtain fabric to create wavy pleats. For daily cleaning you can use hot water and air dry. Multiple Uses: Not only can it be used for perforating curtain fabrics, but it can also be used for craft purposes such as drapery, costume making.