Bella Materna Women's Maternity Sexy T-Shirt Nursing Bra 80% Nylon, 20% Lycra Made in US Machine Wash Patented flexi-wires are lactation consultant approved for safe nursing and comfort all day long Ultra-soft fabric wicks moisture away and will not fade or pill Six settings hook and eye at back for flexible fit in your band Cup sizes F and G feature wider straps and taller hook eye at back Oeko Tex Certified fabrics toxin free