SIZE WARM TIPS:The items are Asian sizes, about 1-2 size smaller than US size.Mens choose 1 size up than your normal size,womens choose normal size up. MATERIAL:Polyester and Spandex make you feel soft and comfortable.The use of advanced digital printing technology without any fading,machine and hand wash,the surface without any attachments,have good air permeability. GOOD IDEA FOR:Fashion design,beautiful and comfortable to wear it,great for all types of exercise,working out or just relaxing and so on DELIVERY:Becareful the deliverey time.If the items ships from and sold by Goodstoworld,then the items ships from China and usually takes about 8-15 days to be delivered;If the items Sold by Goodstoworld and Fulfilled by Amazon,then the item can be 2 days shipping. AFTER SERVICE:If you are not satisfied,please contact us via email first. We will response back within 24 hours.Wish you have a good shopping experience here.Thanks a lot!