I bought her a nice cookie, and the biggest Mylar balloon they sold at the grocery store.

我给她买了块精致的饼干，还有超市卖的最大的聚纤气球。

The sail is 32-square meters long. It is made of Mylar, a material that is only one fourth as thick as human hair.

这个风帆有32平米大小，是由厚度只有人头发四分之一的聚酯薄膜材料制成。

Their belongings are removed and they receive only a Mylar blanket with which to cover themselves, according to migrants who have been held in these facilities.

他们的东西都被拿走了，只拿到了一张可用来盖的麦拉毯，据被关在这些设施里的移民说。