COA: 77.77 GBp
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Home • Industry FAQs • Zips

Why is the zip is curved/humpy after pressing?

Spiral/coil zips have an S twist and Z twist in the teeth creating a “smile” or “frown” appearance when the teeth are joined. The left and right teeth should be both in the same direction/condition. If this is not the problem check the sewing tension is equal on both sides of the zip. Also check […]

Are Opti zips chlorine and salt water resistant?

Please inform our Customer Service department when placing orders for boat covers / marine upholstery. For boat covers / marine upholstery, we recommend standard puller with silver plated slider, or special plastic sliders.