Self-heating Magnetic Wrist Support Brace Adjustable Protect Wrap - 2Pcs / Black+Red Features: Multiple infrared particles provide heat therapy automatically Strong adhesive fastener tape allows you to adjust to your comfort High-quality nylon fabric with good air permeability, durable and skin-friendly Large thumb hole for non-slip and stable wristwear Reinforced stitching and trimming make you feel comfortable Fits both left and right wrists Suitable for daily fitness and pain relief Specifications: Material: Nylon + SBR Quantity:2pcs Size: (L40 x W7)cm / (L15.7 x W2.8)" Package Included: 2 x Wrap