This is a set of a waterproof cover and a lightweight arm sling, perfect for caring for a child's fractured bone. - Type: Waterproof cover - Size: Child size - Weight: 49g - Material: Mesh material - Features: Design that doesn't put a strain on the shoulder I used this for about two weeks when my child had a fracture. This is a truly wonderful product, and I deeply regret not buying it sooner. If anyone is having trouble, please give it a try. I will ship it immediately. I plan to dispose of it in January 2026. Thank you for looking.