A Change of Clothes Although a fancy bag — like this Bag-all Wash Me Travel Bag ($15) — isn't necessary, a change of clothes for your little student definitely is. Drop off a full set of clean clothing for your preschooler at the beginning of the year, and don't forget to update it as the seasons change. Image Source: ShopBop Bag-all Wash Me Travel Bag $15 from shopbop.com Buy Now