There are cast cover options here for both adults and children as well as having cast options for either half of the limb for a lower leg or arm injury as well as cast covers which cover the whole of the limb.
It’s important to know exactly what you want to buy and it’s also important to check the measurements that a company has provided. Getting a size that is too big or too small will inhibit the products ability to be waterproof so it’s vital to make sure it’s right.