We love this one in green glass, but you could have blue peace just as easily! Sized to fit 750mL bottle bottoms. Ships with instructions and firing schedule. Mold measures 4″ in diameter and .75″ high. Not for use in Microwave Kilns or Quickfire Kilns.
Tutorials featuring bottle bottom molds:
Using Bottle Bottom Molds
Fusing in pilot holes to make drilling easier
Fusing loops in bottle bottoms
Man in the Moon with Stars