Closed End Zip - 16" (40cm) - SELECTED COLOURS HALF PRICE – ricketyrosecrafts
Make a pillow cover with an invisible zipper (no pins needed!) - Stop staring and start sewing!
Zip Fasteners are great for cushions and clothes
How to Put an Invisible Zip into a Cushion - Living a Real Life
YKK CLOSED END ZIP - GREEN SEWING - IDEAL FOR DRESSES/TROUSERS/SKIRTS/ CUSHIONS AND ART AND CRAFT - SIZES: 4/5/6/7/8/9/10/12/14/16/18/20/22/24/26/28/30/32/34/36 INCH (14 INCH (35.5CM)) : Amazon.co.uk: Home & Kitchen
How to add a zipper to make a Cushion Cover with a Zipper - Melly Sews