Color: Black High Elasticity Fabric Composition: Nylon Material: Polyester Flat Size: Approx. 9*9cm Package Contents: Wristbands*2 About this product: [Breathable with over 4200 honeycomb ventilation holes]: The visible ventilation mesh structure provides excellent breathability and moisture absorption. It absorbs moisture from the inside while circulating air to keep you dry. No discomfort even when sweating! [Ultra-lightweight x skin-friendly texture]: Woven with fine 80-count fibers, it has a smooth and soft feel against the skin. It's so light you'll feel like you're not wearing anything, providing comfortable support even in sweaty seasons. [Excellent fit & non-constricting]: Made with soft and stretchy material. It fits snugly to your arm without being constricting, ensuring comfort even during long wear. Suitable for men and women with a wrist circumference of 21cm or less, it's versatile for running, gym, yoga, fishing, and more. [Cooling sensation, ideal for heatstroke prevention]: Adopts cool-touch fabric, providing a cooling sensation from the moment you put it on. Furthermore, the quick-drying layer on the surface quickly evaporates sweat, cooling the wrist area through evaporative heat. Perfect for summer sports and outdoor activities. [Versatile from sports to daily use]: From intense exercises like jogging, fitness, basketball, and tennis, to heat countermeasures during commutes, it's useful in any situation. It provides both cooling and sweat management. *Please note: 1. Please understand that there may be slight errors in manual measurements. 2. The actual color may differ slightly from the image due to display and lighting effects.