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. Age Child Short Leg Child Full Leg Child Short Arm Age Child Full Arm 1-3 yrs Length: 34cm Circumference: 19cm to 31cm Length: 53.5cm Circumference: 24cm to 40cm Length: 33cm Circumference: 12cm to 20cm 1-3 yrs Length: 43cm Circumference: 17cm to 28cm 4-9 yrs Length: 41cm Circumference: 21cm to 34cm Length: 69cm Circumference: 27cm to 45cm Length: 43cm Circumference: 17cm to 28cm 4-7 yrs Length: 51cm Circumference: 17cm to 28cm 10-14 yrs Length: 50cm Circumference: 21.5cm to 36cm Length: 78cm Circumference: 43cm to 70cm Length: 53cm Circumference: 20cm to 33cm 8-10 yrs Length: 53cm Circumference: 20cm to 33cm 11-14 yrs Length: 66cm Circumference: 20cm to 33cm We recommend that adult sizes are used after the age of 14.