Super-Soft memory foam adhesive strips surrounds your IEMs like a velvet glove, creating a stronger seal and helping them stay in place no matter how much you move around. Custom Wraps enhance your custom-molded IEM"s by added a soft and unobtrusive layer of protection. The Wraps create an optimal, secure seal and channel all sound from the sound port directly into the ear canal. Custom Wraps expand to fit the ear canal"s dynamic, unique shape giving you even more comfort and remarkable in-ear retention.