Completely invisible with no attached strings. They can be worn under dresses or pants and there will be no lines to ruin your look. This style comes in two colors to represent everyone and we will be extending the shade range in time. Made of premium nylon material. They are skin-friendly, comfortable and durable to wear. For pain free removal, apply warm towel, lotion or oil to the outside of teardrop before peeling. Not advised to be worn over skin that is irritated or has open wounds and should not be worn longer than 8 hours.