Well these thin transparent wrappers are known as Crystal Skin Wrappers, 水晶皮. So delicate these wrappers: thin enough to see through yet strong enough to pleat and hold the shape of the dumplings with ease. Check out the beautiful Har Gow 蝦餃 shrimp dumplings (photo above) that we made with this crystal skin!
Tricky wrappers to make but we managed through much trial and error to get it just right. Check out how to make the most excellent Crystal Skin Dim Sum Wrappers 水晶皮, both thin enough to see through and yet pliable and easy enough to work with to make and hold the pleats necessary for these fancy dim sum dumpling shapes.