Advanced Materials: This PICC line shower cover is made of eco-friendly medical-grade TPU material, which is latex-free and offers superior performance compared to PVC shower cover bags. 100% Waterproof: The arm opening uses high-elastic neoprene, similar to that used in diving suits, ensuring complete waterproof protection and keeping elbows dry and comfortable during showering and bathing. Wide Range of Uses: The PICC line sleeve helps keep IV lines, PICC lines, plasters, bandages, and wounds dry, providing reliable protection against water exposure. Suitable for most adult arms. Reusable: The protector is easy to put on and take off. Durable construction allows for long-term reuse. After each use, simply wipe the exterior and hang to dry. Stretchable Entrance: The stretchable opening fits most adults and older children. Upper entrance size range: circumference from 9.5" to 15.7" (diameter 3" to 5"). Lower exit size range: circumference from 6.2" to 12.5" (diameter 2" to 4").