MATERIAL: The bowls are made of PP material which is nontoxic, tasteless and no harm to health EASY TO USE: Easily coverts fruit and steamed veggies into baby food. Mash and serve in the same bowl FUNCTION: It could be used to grind potatoes, sweet potatoes, carrots, pumpkins, meat and fishes, all you need to do is steaming them and then grind them to a smooth paste FEATURE: Different grinding filter has different use, the grinding filter with a lot of triangle bulges is for making blanket carrot or cucumber, the filter covered with small holes is used for making fruit juice DESIGN: The product has 4 different types of grinding filter for processing different food, also there is a grinding rod, a grinding spoon and a spoon in the set