I have read that they are sized gauge-appropriate with a 12 being ~ 6.75, and a 20, ~ 6.25. I imagine a 16 then would fall at about ~ 6.5+ lb or thereabouts. Not bad at all.
I also read they may not be readily available until May or June — you may have happened upon an early bird.
https://www.rizziniusa.com/products/br110-light-luxe
