3.8 centimeters. The product specification of Grain Whole Foods Hand Pancake shows that the size of the hand pancake is like a ping pong ball, with a diameter of 3.8 centimeters and a net content of 800 grams. After frying, the surface of the hand pie is golden and delicate, and it can be topped with salsa, ketchup, spicy cumin or wasabi, plus freshly shredded squid, slices of woodchuck and meat floss, which is very delicious and tasty.