Mother’s Corn tableware are made of plant and not plastic, it can be safely used even if the baby bites it is made from special PLA (Poly Lactic Acid) material processed from corn starch. All products of Mother’s Corn are eco-friendly. With plant as its main material, all tableware products are biodegradable and Earth friendly. the product colors have also been designed to stimulate the baby's appetite. Do not microwave or sterilize this product, can be cleaned with hot water or UV sterilizer.