- Thx4COPPER thumb splint, size L/XL, black color, ideal for stabilizing and protecting the thumb - Made with high-quality fabric enriched with copper ions, soft, lightweight, and breathable - Provides effective compression to relieve pain, swelling, and inflammation from arthritis, tendinitis, or injuries - Reversible design for use on left or right hand, easy to put on and take off - Two adjustable straps allow for a personalized fit and maximum stability - Allows freedom of movement in the other fingers, making daily activities like writing, using your phone, or playing sports easier - Durable, non-irritating, and quick-drying material, suitable for prolonged use - Recommended for carpal tunnel syndrome, trigger finger, dislocations, and microtraumas - Easy to clean with a damp cloth and mild detergent, do not soak or machine wash