Giftshop12 Plastic Koi Fish Goldfish Shaped Mold Two Fish One Medium One Small - 9 Inch and 6.5 Inch

horrible to work with and the tail breaks

The mold needs support. Without any the liquid (whatever it is, will slosh to one side or the other.

Quality mold for plaster or cement looks nicer in persin. Its well made and will last for many pours with proper care. I want to make all different koi to install around the perimeter of or raised pond.