STURDY AND FLEXIBLE NYLON MESH - The mesh makeup bags are made of durable nylon material which is somewhat stiff but still flexible and holds it's shape pretty well, and it will be recovered its' shape by fully filled for somedays when squeezing out of shape in narrow spaceQUALITY ZIPPER - Zipper with loop-shape zipper pull makes open/close the travel makeup pouches easier and smoother, it makes the bags cute and stylish, you could also hang up the makeup bag if neededSQUARE BOTTOM SPACIOUS SPACE - The standing up makeup organizer case is lightweight so do not add any weight to your purse and large enough to organize your various stuff in diaper bags, suitcase for travellingASSORTED SIZE - 2 different size to meet your different needs. The small makeup bags are nice for purse to carry lipstick, lip gloss, electronic cords with you when on the go; the big one is good for more cosmetics and small itemsSEE THROUGH AND BREATHABLE - The mesh makes this cosmetic zipper bag easy to see what is inside and allows anything wet to dry out, like beauty blenders, brushes