[1  & 2  ]

[1  & 4  ]

[3  & 8  ]

clear plastic boning, no cotton covered, Boning offer high fashion support for nurse cover, caps, tory, gift designers, strapless dresses, bathing suits, arts, crafts, bra, corsets, bridal gowns, evening gowns, lingerie, swimwear, hats, handbags, plush toys, etc. size 1/4" and 3/8" have ridges. size 1/2" does not have ridges.