Come and Check Our Branding Solutions.The sleeve is made of polyester and spandex.It is soft,lightweight and breathable with good sweat absorbing ability,our compression arm sleeves are perfect for keeping your arms dry and cool whether you're on a stroll, a rigorous hike or out for a run,can washable and reusable,are good for summer use,100% guarantee for quality,The price includes the shipping cost to ca, QTY for 5000pair and over by ocean. Pls check inventory and detailed info before placing your orders.