The height is measured from the top rated of your strip to the bottom with the strip. The holes can be found .75" down within the leading with the strip. Our PVC strip vary incorporates: ambient temperature; freezer-quality; ribbed; transparent coloured; opaque coloured; anti-static; anti-insect; perforated; frosted; and welding quality. https://baidubookmark.com/story18037287/the-best-side-of-pvc-curtains