It's just wax. Our 3 wick beaded pottery dough bowls are beautifully handmade for an authentic rustic farmhouse style home decor and filled with dye-free soy wax and cotton wicks. Available to order wholesale. Choose your scent. Choose your color. Each candle is shrink wrapped to protect it from shipping and dust until ready to burn. When the candle is gone just wipe clean with warm water and decorate as you please.