yes it is as it is what we use for swim suits
with a waterproof cast
No, it's not. If you do a search on the web you'll find several different types of cast covers. Some that you can swim with, and some that are made for use in the shower.
Protection,swim better, waterproof
The cast of The Limbo - 2010 includes: Leigh Scully as Nathan
The cast of Lily in Limbo - 1996 includes: Sylvi Alli as Lily
so they could swim away from preditors
The cast of Limbo - 2006 includes: Javier Batanero Rosa Mariscal Daniel Tejera
The cast of Limbo - 2015 includes: Philip Labey as Luke Anna Nightingale as Abby
The cast of In Limbo - 2010 includes: Elena Bonini Lorena Mendez Ben Valter
The cast of Limbo Rock - 1963 includes: Nida Blanca Nestor de Villa
The cast of Limbo de film - 2014 includes: Manuel Broekman as Mike