These are spiral coil zips and are most commonly used zipper running on two coils on either side of the tape, with a box and pin mechanism to lock the two sides of the zipper into place. 15mm polyester tape with an extra 3 cms at top end of zip........... 153 cms length
Uses include upholstery, dress making and repair work.
We used them to make snug buggy bags with a removable top cover
If purchasing more than 2 the postage costs will be recalculated to a signed for service to a maximum price weight upto 1.5 kilos 2nd class £3.85