Designed by sori yanagi, whose works are exhibited worldwide from moma in new york to the louvre in paris. Made in japan. the bowl is made from premium-grade stainless steel, which makes it durable, resistant to corrosion, and easy to clean. The smooth and seamless interior of the bowl allows for easy mixing and pouring, while the wide base provides stability during use. each size bowl has a slightly different shape and can fit with the colander/strainer from the same series (excluding 13 cm). nestable with other size bowls. lightweight, durable and smoothly-shaped with a gently curved rim. A Set includes: one 13cm bowl: 13.2 x 5 cm(400ml) one 16cm bowl: 15.8 x 6.5 cm(700ml) one 19cm bowl: 18.5 x 7.7 cm (1200ml) one 23 cm bowl: 23.1 x 11.9 cm (3400ml) one 27 cm bowl: 27.2 x 11.7 cm (4200ml)