self-addressed

剑桥词典

(especially of an envelope ) with the address of the person who has sent it
（尤指信封）写明发信人姓名和地址的
Send a self-addressed envelope for our free catalogue . 寄上一个写明自己姓名和地址的信封便能获得我们的免费目录。
也见 sae
SASE 返回 self-addressed