We have introduced the Neater Arm Support ZERO to provide an interim or complementary solution to muscle weakness. The Neater Arm Support is suitable for those with Duchenne's Muscular Dystrophy (DMD), Spinal Muscular Atrophy (SMA), Muscular Dystrophy, and more. **When possible, we keep stock of the Neater Arm Support ZERO. If the item is out of stock, lead time may be up to 8 weeks. Please reach out to customers service to confirm current stock.**