The Prince's Wall Dilator is made entirely of metal for a sturdy, robust look. Metal is smooth, strong and safe to use in combination with any lubricant. Apply a nice lubricant to the penis and to the dilator and let it slip inside. Are you ready for a new sensation? Then cool or heat the dilator before inserting it! Warning! This product is not suitable for medical use. To prevent injury or aggravation of excisting conditions, this product should not be used on bruised, swollen of infected areas. Only use the product as intended/ instructed. Misuse can lead to injury. No mediacal claims are guaranteed or implied regarding this product. Use at your own risk.