1ELBOW PROTECTION: Waterproof arm cast cover is made of premium flexible PP material, which is durable and can reliably protect the elbow area. 2SAFE MATERIAL: Arm cast covers protector is made of environmentally friendly material, which does not contain harmful substances and is harmless to your health. 3EASY TO USE: Arm cast covers protector shower bag can be easily put on and taken off, it is very easy to use and will not waste your time and energy. 4SOFT AND COMFORTABLE: Arm cast covers shower bag will not cause skin irritation or other discomfort, which can make you more comfortable during the showering process. 5AVOID INFECTION: Waterproof arm cast protector can be washed quickly and kept clean and hygienic, avoiding the risk of infection during use by patients.