Note: Please allow slight error due to manual measurement. Thanks for your understanding. specification: Item Type: Arm Cast Cover_x000D_Material: Neoprene + TPU_x000D_Product Size: Approx. 300 x 130mm / 11.8 x 5.1in (L x W)_x000D_Hole Diameter: Approx. 47.5mm / 1.9in, 40mm / 1.6in_x000D_Applicable Parts: Elbow arm_x000D_Uses: Mainly used for daily care of wounds in the case of wounds on the human arm, using bandages, plasters, indwelling needles, etc., covering the parts of the limbs that need protection to prevent the wound from becoming infected with water. After using this product, the limbs can be exposed to water normally ( Such as taking a bath), it can also be used for outdoor wound protection in rainy weather, and the product can be used repeatedly. Features: 1Applicable Situation: Used when the patient's arms have burns, plaster or splint installation, PICC or infusion needle placement, etc. to prevent the affected area from being soaked and infected. 2Applicable Occasion: Suitable for waterproofing when showering, bathing or walking on rainy days to prevent the wound from becoming infected with water. 3Easy To Use: Ensures the hygiene and dryness of the affected area, does not affect blood circulation, and is beneficial to the recovery of patients. 4Good Material: Adopts high quality neoprene and TPU material, safe and eco friendly, non irritating and harmless, reusable. 5Portable: Easy to put on and take off, light weight and in small size, easy to store and carry, perfect for home and travel use. PackageList: 1 x Arm Cast Cover