Food Grade Silicone:: The yarn ball candle shape is made of high quality food grade. You can use it for groceries and other products such as candles, chocolate, cakes, ice cream, soap, resin, pastry. Get it in one step: : You just need to drill a small hole in the bottom of the candle mold, then pour the melted liquid candle into the mold, then it can be easily taken out after it is completely dry. Finished candle 5.7x5.7x5cm / 75ml. About cleaning:: It can be cleaned with warm water or soapy water, or in the dishwasher, after cleaning, store it in a place out of direct sunlight and dry it for next use . Exquisite gift:: The exquisite yarn ball shape design is a great DIY gift, it can promote children's practical skills and interest in crafts, and is the best tool for training children