Constructed with 100% silicone for a durable, comfortable fit, these plugs boast the ability to be used again and again. The plugs accommodate a variety of ear sizes and shapes for increased versatility. Their moldable design provides a watertight seal to keep ears dry and swimmers on track. These are also great for protection again Swimmer's Ear. For convenient storage and protection, the plugs include a carry case. Should be used for surface use only, not snorkeling, SCUBA diving, or impact water sports. Set of 4.