These bright colored bags are made of non-woven material. They are moisture proof, breathable, flexible, and soft; Durable, odor free, Great value, more importantly it can be reused, very ecofriendly. We reinforced the handle and seams to improve the durability of these ecofriendly bags in order for you to put badges, stickers, and fabric paint customize them the way you want, and to make a statement yourself by decorating them.