Creating perfect bath bombs has never been easier with our aluminum sphere bath bomb mold. Simply place the mixture into the two halves of the mold and press them together to form beautifully shaped, colorful bath bombs infused with fragrance and high-quality, rich ingredients. This set includes three sizes: 2 pieces each of 4.5 cm, 5.5 cm, and 6.5 cm in diameter. How to use: Step 1: Fill each half of the dome molds with the mixture until slightly overflowing. Step 2: Press the two sides together firmly, applying strong pressure to compact the mixture and help prevent cracking. Step 3: Brush away any excess mixture around the edges. Step 4: Gently tap around the mold with a metal spoon to loosen. Step 5: Carefully remove one half of the mold, then gently flip the bath bomb so the exposed side faces down, and carefully remove the other half. Includes: 6 bath bomb molds