Welcome to AquaCast Liner LLC based in Middletown, DE! We supply the best waterproof cast liners in the world. If you've broken a bone and want to remain active, an AquaCast Liner is the perfect solution for you. AquaCast is the fastest drying, most breathable and comfortable waterproof cast liner available. Our aim is to provide a waterproof cast liner product doubling as a cast padding material for broken bones, allowing you to shower, sweat and swim in comfort! All AquaCast Liner products are Latex Free.