Crafted from 1614 black and green AA. I used 16516 steel rings at the top where the leather cord is. The opening is 30 rings wide (each steel ring passing through three) and expands five rings per row until hitting 50 rings. It remains at a width of 50 rings for around 14 rows then begins contracting by five rings per row until reaching ten rings. The "queen" ring at the bottom is a 1638 steel ring. It's currently holding around 45 random dice (D4s to D20s) and could probably fit another 15-20.