Unlike convesntional substances,it takes vey little energy to produce,is made up mostly of a natural material in abundant supply and,when exposed to sunlight,disappears in a matter of hours.

• 和普通包装材料不同的是，新材料的生产很节能，其原材料主要是一种储量巨大的天然物质。在阳光照射下，这种材料在几个小时内就会融化消失。