Well crafted: our bath bomb moulds are made of aluminum alloy material, metal material makes these moulds sturdy and reliable to use, won't break or deform easily; They are also suitable for DIY bath bombs making and food making, convenient to use and easy to wash after each time application; Before using, please wash the mould with baking soda or washing up liquid Handmade time with family: enough quantity of metal bath bomb crafting moulds are able to support your DIY handicrafts making projects with your family members together, just enjoy the relaxing time and have an enjoyable gathering time with them, to make bath bombs or some delicate pastries by your own hands, show your cooking skills and novel ideas, harvest fun of DIY Widely applied: bath bomb making supplies are practical for different usages, making bath bombs for your family, to enjoy a pleasant and cozy bathing time, making food like cake, pastries and other desserts in round ball shape, more possibilities are ready to be found, just inspire your creativity Gifts preparation: if you want to prepare some sweet and thoughtful gifts for your beloved, the metal bath bomb making mould will be an ideal choice, send it to your mom, neighbors, friends who love dessert or food making; You can also make bath bombs with the mould and then take finished crafts as gifts for your family members Sufficient quantity: you will get 16 pieces bath bomb moulds in this package, totally 8 sets, each piece measures approx. 6 cm/ 2.36 inches in inner diameter, appropriate size and ample quantity supports your moulding and crafting needs