These are a rounded square with a circle cut out.

I'm happy to do a custom order if you need an EXACT number that isn't listed. Convo me and I'll make you a private Listing.

About 25mm. Acrylic, with 1 hole drilled the long way.

Order any amount you like, shipping is the same price!

Ready to ship (no backorders here!) and I ship 6 days a week :)