Metal Bath Bomb Mold - 3 Set 6 pieces -Great for DIY Homemade Ball Bombs and Fizzies Great for beginners and more experienced crafters to shape the homemade bath bombs in low cost. Sturdy aluminum metal made, durable, high quality, won't break like plastic molds do. Re-use over and over again. Set of 3 different sizes bath bomb molds (6 pieces),you can share fun with your friends or children! Large diameter is 6.5cm/2.5in, Medium diameter is 5.5cm/2in, Small diameter is 4.5cm/1.75in. Easy to use: 2 spherical halves can be filled with the prepared mixture and pressed together to provide you the refreshing and rejuvenating bathing balls.