Iwako Japanese Erasers In A Mini Bento Box - Stationery Assortment Contains four different school supplies in a clear, plastic case. Each eraser is about 1x.5x.5 inches, with some variance. Eco-friendly, non-toxic, no lead, no paint, no phthalate, no latex, recyclable. BC products are pricelessly designed and loved by children. These are original designs made in Japan.