Plain Designed Nursing Bras are especially fabricated, wherein the bra open in the back but have flaps in the front, which is perfect for feeding purpose. Lee - On Impex manufactures Plain Designed Nursing Bras. Lee - On Impex is the supplier of Bras, Panties, Ladies Camisole, Bridal Lingerie, Ladies Nighties, Seamless Bras and Panties, Bikni / Thong and Lounge Wear. Plain Designed Nursing Bras have strong side and undercup support for a forming fits perfectly providing optimum comfort. These Bras are available in different sizes and colour combination.