EFFECTS AND ADVANTAGESThey provide a sense of comfort and relaxation, as they provide a massaging effect that stimulates circulation of blood.COMPOSITION100% medical grade silicone. MAINTENANCE Rinse with cold water, soap and air dry. Do not expose them to direct alue. Store in a cool, dry place, protected from sunlight. Once dry, before use, we recommend lightly sprinkle with unscented talcum powder.