Features: Wet /dry foot file Two-sided file with thick wood handle Extra-durable: can last up to 3 months Heavy-duty construction for aggressive filing SANITIZABLE: use any chemical sterilizer Use DRY with coarse side- use WET with the smooth side Removes calluses and smoothes heels Coarse side turns calluses to dust- smooth side gives even satin finish Excellent for home use to maintain soft feet between pedicures