bMAKER Metal Molds, Included Recipes EBook, Instruction Card Easy to Make Spherical Bath Bomb, Premium Finish PREMIUM BATH BOMB MOLDS - Creating professional quality bath bombs gets simplified with these incred EASY TO USE - Includes Step by Step Instruction Card. The molds come in 2 spherical halves such that BETTER THAN PLASTIC: Our bath bomb molds are made with aluminium metal to ensure that they are durable enough to survive the bath bomb making process and last for several cycles without the need to reinvest. These Molds, unlike plastic Molds, prove to be a much wiser investment. PERFECT SIZE - The bath bomb bowls come in a size that is perfect for holding all the ingredients or the mixture as a whole together. The bigger sizes do not easily hold together and smaller ones just do not provide the sufficient diffusion in the water. POPULAR GIFT: perfect gift for friends or family members