The Limbo is designed to protect plaster casts and wound dressings from getting wet. Key Benefits DRESSING & CAST PROTECTION DURABLE & LONG LASTING COMFORTABLE TO WEAR It will last through the period a cast should be worn. There is a cellular neoprene seal which has a wide band of contact and therefore does not pinch the skin or feel constrictive Protect plaster casts and wound dressings from getting wet during bathing and showering - it can also be used for hydrotherapy.