Made of a specially developed silicone that is transparent under clothing. Relieve pain from rubbing and indentation marks. Keep bra straps securely in place and prevent them from slipping. Pads warm to your bodys natural temperature. Lightweight pads with soft, supple texture. No itchy or sticky adhesives. Wear them without worry about the bra size or style. Soft, comfortable great for all occasions and everyday wear. Especially helpful during pregnancy and breastfeeding. Attention: This product is not good to wear if you are in hot or humid conditions for a long time or trying to wear a backpack. If your skin is easily irritated, please think twice before buying.