Come and see our amazing products. Made of Elastic Fabric, Featured by its Good Elasticity, Can Be Dtretched, Not Easy to Deform, Extremely Durable in Use. The Size is 40cm*7cm,One Size Fits Most;Keep Your Arms and Body in Sync;Use This Uunique Golf Arm Band to Help Improve Your Golf Game and Swing. After Hard Practice, the Muscle will Keep The Training Memory and Perform the Perfect Posture Even After the Product is Removed. Pls confirm with us about the packing info, stock color and exact production time before placing your order.