A simple wallet to hold your cards. I tuck receipts and bank notes under the o-rings, as you can see in the picture. I keep my bank cards, driving licence and my door pass in here. I can use my door pass without removing it from the wallet. The files include a divider should you need it, I don't use it. Vitamins in instruction tab.Printed at 0.1mm layer height with a honeycomb infill, blue PLA. You can print at 0.2mm layer height too. Vitamins: 2x 54x3mm o-rings. I'm sure you could use 3mm ninjaflex filament too if you could reliably join the ends. Use bigger o-rings for more than 6 cards.