Feature 1FIXED: Immobilize the joint by stabilizing the thumb CMC joint without hindering the other joints, while still allowing full hand and wrist movement. 2SHAPE: Built in metal strip can be shaped freely, according to the shape of individual thumb root, kneading and shaping can be done with high comfort without affecting normal thumb and wrist movement. 3SOFT AND DURABLE: The edges are covered with soft rubber that will not scratch the skin. Lightweight and waterproof, durable, wear resistance. 4PROTECTION: The thumb brace prevents coming into direct contact with the skin, preventing wear and tear. It can also be used alone when the thumb needs low strength support. 5ELASTIC: Complimentary high elastic thumb cover. Breathable and sweat absorbent, abrasion prevention can be used with this product as a lining.Item Type: Thumb BraceMaterial: TPU, stainless steel, nylonApplication: The thumb and wrist stabilization sleeve layer can be worn with other wrist thumb supports to provide comfortable protection and mild support for thumb weakness, pain or soreness. It is suitable for people who spend a lot of time on the computer or phone, or who put a burden on their thumbs due to housework and crafts.Measurement method: Use a soft ruler to measure the palm circumference of the 4 fingers according to the measurement size .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xThumb Brace1 x Bandage1 x InstructionBook1 x Soft Ruler1 x Thumb Cover