This OEM/ODM Deep U-neck Backless Seamless Wireless Bra is designed for lingerie brands, dresswear suppliers, and wholesale buyers seeking invisible support solutions. Featuring a plunging deep U neckline and backless structure, this bra delivers discreet shaping under low-cut and open-back dresses. The seamless, wire-free construction ensures comfort, flexibility, and a smooth appearance, making it ideal for private label customization, bulk production, and special-occasion lingerie collections.