This wrist brace is designed with multiple infrared particles, which can heat automatically and provide you with great support and protection during intensive exercise. comfortable and breathable. Nice for sports and fitness. Features: Multiple infrared particles provide heat therapy automatically. Strong adhesive fastener tape allows you adjust to your comfort. High quality nylon fabric with good air permeability,durable and skin-friendly. Large thumb hole for non-slip and stable wrist wear. 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 Color: Black & red / Black & blue / Black & gray ( optional ) Quantity: 1 pc / 2 pcs ( optional ) Item Size: 40 * 7 cm / 15.7 * 2.8 in Packing Size: 13 * 7 * 1 cm / 5.1 * 2.8 * 0.4 in Packing Weight: 23 - 46 g / 0.8 -1.6 oz Package List: 2 * Wraps