Model Number: HLC00111-D Key Specifications/Special Features: Size: L (25cm*33cm)Material: 25% acrylic, 13% cotton, 28% nylon, 15% polyester, 4% rayon and 15% LycraThe far infrared rayemitted by this kind of fiber material is quite easily absorbable by human bodyMoreover, FIR ray can activate cells and generate thermal effect so that human body can indirectly undergo self-treatment processIn this way, this product can help expedite the metabolism function, maintain normal physiology, strengthen physical ability and prevent from bacteria, dust and odorCustomized designs are acceptedCustomized riders and bands are accepted