Meillia 2PCS 30 Inch Black #3 Double Slider Zippers Head to Head Closed End Nylon Coil Zippers for Sewing, Purses, Bags, Handbags, Totes, Pillowcases, Bed Sacks (30" 2pcs)

Sturdy zipper set up. Generous side fabric. Sometimes you need a 6” zipper and then a 15”.

Using this on our boat. It's perfect!

Very nice. Easy glide. Large pulls

Prompt shipping. Good quality.

This is #3, I would only by the #4.5 zippers for bags