HIGH QUALITY: Medical grade TPU waterproof material. Moisture protection. Keeps PICC line and bandage dry. Tough, durable, odorless, tasteless, latex-free. Safe for use. 100% WATERPROOF: High elastic opening allows for easy application and removal without causing discomfort. Helps keep inner plaster casts or wound dressings dry while maintaining normal arm blood circulation. 3 DIFFERENT SIZES: S size fits children. M and L sizes fit adults. Arm circumference range: 7.5" to 13.8" (19 cm to 35 cm). Please refer to size details in product images before ordering. APPLICATION: Designed to cover and protect PICC line dressings, insulin pumps, braces, or other medical devices during showering or bathing. Can also be used to cover tattoos or skin conditions such as eczema. Suitable for use during swimming or in hydrotherapy pools with proper precautions. Ideal for individuals receiving intravenous infusion, recovering from chemotherapy, surgery, or managing skin conditions. PACKAGE INCLUDES: 1 x PICC Line Cover, 1 x Waterproof Handbag (portable and convenient for travel), 2 x Cotton Linings (soft, comfortable, and breathable for added protection). Small Size: Upper arm circumference: 19 cm / 7.7" - 23 cm / 9.1", Lower arm circumference: 16 cm / 6.3" - 19 cm / 7.7"