The LimbO Brand Your LimbO Waterproof Protector has been proudly designed and manufactured in the UK by Thesis Technology Products Ltd., established in 1994. Our business ethos is one of innovation and improving the quality of the life of customers with well made products. The LimbO is the market leading waterproof protector in the UK and used every day by patients from over 800 hospitals and clinics. It is recommended by healthcare professionals worldwide. Why the LimbO Waterproof Protector? If you have a broken arm, youll know it brings challenges. Keeping your plaster cast dry in the shower or bath. We know what a difference this daily ritual makes to your quality of life, especially when you have a fracture or a dressing on a long term wound or injury. We can help you shower or bathe in comfort with confidence.