I am the chinese wholeseller of the Authentic nba jersey, We can provide the  Rebook nba jerseys to you all the year aound. The jerseys are net and made of 100% polieester?They are made in Russia (printed on tag), atually made in China. The size is  S/M/L/XL four types. They are suitable for 10-20years old people. The price is $20 /piece, The minuim order is 10 pieces. You are in charge of shiipoing fee .If your order is enough large, the price will be negotiable. The nubmber and letter is sewed on . Because of the porpularity of jerseys, if you wanna buy them, please contact me as soon as possible,I will send pictures to you and you can buy a sample from us or come China to visit us !