The kitchen prep set is made of food-grade PP plastic material, BPA-free polypropylene, NON-TOXIC Durable Anti wrestling. This vegetable strainer is made of durable and healthy plastic, which is not fragile and resistant to falling It can be used for many years Please feel free to use it. The space-saving nesting design allows individual items to be neatly stacked in the largest bowl for easy storage and convenience. , [, [Includes: 6pcsSize: (Size when stored / stacked) , [S] 180 x 125 x 65mm bowl, colander 1 each , [M] 210 x 150 x 75mm bowl, colander 1 each , [L] 250 x 180 x 80mm bowl, colander 1 each