Product details Bloccs Waterproof Protector is specifically designed to protect a cast or dressing to enable to wearer to bathe or shower as they normally would with confidence. This fully watertight and completely submergible protector can even be used at a beach or in a swimming pool. Bloccs provides Waterproof protection for: Plaster casts Dressings Bandages Suitable for individuals with plaster casts for limb fractures, dressings for burns, injury or ulcerated wounds. How to use Please read enclosed leaflet and follow instructions carefully. Do not sure in direct sunlight. Store in temperatures below 25C. Hazards and Cautions Warning: Natural Rubber Protein can cause allergic reaction. Important info This box contains: 1 Bloccs protector Sizing: Bloccs are easily stretched over your cast to make a watertight seal. Measure around the leg/arm 2.5cm-5cm above your cast to find the best size of cover. Sizes can vary by +/- 2.5cm. Adult Short Arm Adult Full Arm Adult Short Leg Adult Full Leg Length: 53cm 78cm 66cm 95cm Circumference: From 25.5cm to 42cm From 27cm to 44cm From 29.5cm to 49cm From 63cm We recommend that adult sizes are used after the age of 14.