This product is a 2 pack of nylon sport bands designed to be compatible with the WHOOP Band 4.0 strap. The bands come in a sleek black color and are perfect for sports, casual, or formal wear. Made of durable nylon material, these wristwatch straps are ideal for those looking to personalize their WHOOP 4.0 watch with a stylish and comfortable accessory. The brand MYAPULUA ensures quality and authenticity of these sport bands, making them a reliable choice for your watch.