This pu case bag is made from high-quality PU material, offering excellent wear resistance, breathability, and aging resistance. It features a square bag design with good sealing properties, effectively keeping out external dust. The interior is lined with soft velvet, preventing scratches and extending the lifespan of your earphones. The portable case is equipped with a sturdy zipper and comes with a strong and comfortable lanyard, making it ideal for family trips and business travel.