Feature: Creating perfect Bath Bombs has never been easier with our Aluminum Sphere Bath Bomb Mold. Simply put the mixture in the 2 halves of the mold and press them together to create incredible colorful bath bombs full of fragrance and high-quality, rich ingredients. Come with three sizes Diameter: 2pcs x 4.5cm, 2pcs x 5.5cm, 2pcs x 6.5cm How to use: Step 1: Fill each half of your dome molds with the ingredients mixtures until it's just overflowing a little. Step 2: Press the two sides together and use a lot of pressure to compact the mixture firmly into the molds, to prevent cracking. Step 3: Whisk away the excess mixtures around the molds. Step 4: Use a metal spoon to tap slightly around the molds. Step 5: Gently remove one side of the mold, then gently invert the bath bomb so the uncovered side is facing down, then gently remove the other half of the mold from the top Package List: 6 x Bath Bomb Mold