Why does the zip not fit correctly into the specified garment size?
There are many ways to measure the length of a zip, Coats Opti follow the British Standard Method, where all measurements are based on measuring from the end of the components or head of the slider where fitted. More clear details and images can be found in our Product Information on our website.
Why is the zip curved/humpy after insertion?
Check the sewing tension is equal on both sides of the zip. If this is only noticed after pressing heck for any high levels of shrinkage in the fabric material and any interlining.
Why is the colour of the slider or tape of the centre front zip different to the pocket zip?
If both zips are provided by Coats Opti they should match within a dE value of 1.2 in the specified light source. It maybe possible to see such differences but they should be within commercial tolerance. Check correct specified light source is being used and if there is still a concern refer to your Coats […]