PACKAGE INCLUDED: The set includes 10 PCS of black armbands. Sufficient quantity for personal use. One size fits most. EASY TO WEAR: The black armband quickly unfolds and slides directly into place for a secure and convenient fit. The elastic design is easy to put on and stays in position. Ideal for use with blazers, sportswear, and athletic apparel. SOFT MATERIAL: Each armband is made from knitted fabric with elastic properties, offering high elasticity and breathability for a comfortable wearing experience. MULTIPLE USES: Suitable for various activities including football, basketball, yoga, running, and other sports. Also appropriate for formal and commemorative occasions. MEMORIAL MEANING: The classic black armband is a formal way to show respect and remembrance during solemn events. The armband is designed for use in sports and other physical activities. Wear it with teammates or partners to show unity and support during exercise.