假定你是李华，自制了一些中国结。给开网店的美国朋友Tom写封信，请他代卖，要包括：
1.外观（尺寸.颜色.材料）2.象征意义3.价格
注意:
1.词数100左右；
2.可以适当增加细节,以使行文连贯；
3.开头为你写好。
Dear Tom,
How are you doing? I wonder if you could sell some Chinese knots for me.
I made them myself with red silk threads, cloth and other materials. They look really beautiful in the shape of a diamond, about 5 inches long and 4 inches wide. In China, these knots stand for friendship, love and good luck. People can either give them as gifts to friends or hang them in their houses.
They are only 12.99US each.If anyone wants to know more about the knots,let them write to me.Also,do let me know if you need further information.Thank you!
Yours,
Li Hua