This is a very nice standard Glass Go Stone Set with 361 total stones, 180 white/181 black, measuring 7mm thick x 21.5mm in diameter. The stones are Bi-convex (Japanese style, rounded on both sides like a lentil) and you get two convenient grey plastic bowls for secure storage to keep your stones from Go-ing away!
Dimensions of the bowls are: 3.75” across x 3" tall. Made in Korea.
WARNING: Choking Hazard. Small Parts.