It's used key for US apple macbook air A1369-2010(To check the year of your laptop,you can google search apple warranty,after you type the serial number,you may see the year of you laptop).please compare the white piece below carefully.Shipping Note:When purchasing quantities of 1-2 pieces, they will be shipped via USPS stamped mail, and will not include a tracking number. However, purchasing a quantity of 3 or more will be mailed First Class USPS in bubble mailer, and will include tracking number. I've now added a shipping option that buyers can opt for First Class shipping package with tracking number and bubble mailer for an additional $3. Simply select which shipping option desired at checkout.