The Double Vision Case Sewing Pattern: https://sewyours.com/collections/frontpage/products/sewing-pattern-the-double-vision-case
Fold Over Elastic: https://sewyours.com/collections/1-1-2-webbing/products/fold-over-elastic-foe
Magnetic Snaps: https://sewyours.com/collections/misc-hardware/products/18mm-magnetic-snap
Hidden Magnetic Snaps: https://sewyours.com/products/hidden-magnetic-snap
Hole Punch/Die Set: https://amzn.to/3qPTHWa