Tantus Echo Silicone Vibrating DildoYour sounds of pleasure will Echo back to you! The Echo's phallic head is multiplied all down the shaft for those who desire the exquisite feelings of mounds and valleys. The shaft's length is 6' with a diameter of 1 1 2'. This is a 100% silicone, hypoallergenic, no smell, and no taste vibrator. It is bleachable and can even be boiled. The variable speed 2' x 1' Micro Mini Massager uses three watch batteries, which are included for your convenience.