glass frame 【Soft and comfy】: Soft, comfortable and breathable for breastfeeding mamas. 【Convenient for Breastfeeding】:With Double Layer design, quick drop down cups, easy to quick feeding. 【Versatile occasions】:Perfect for Spring,Summer,Autumn.Suitable for daily wear,holiday,sport,travel,casual,shopping,postpartum wear,etc. 【Suit for every states】The fabic is super soft and elast..