· PREMIUM TRIMMER BLADES - Our replacement blade cartridges feature a precision engineered combination of extra-small trimming teeth and snap-in ceramic blades to give you confidence when trimming down to the waist· BEST TRIMING EXPERIENCE - The blads are specifically compatible with OLOV trimmers, and regular replacement every three months keeps the trimmer running smoothly and efficiently, giving you a whole new trimming experience with every change· GET THE MAXIMUM PERFORMANCE - Our snap-in blades are made of black ceramic material, which is completely waterproof, rust-proof, shock-proof, non-slip, and it has less heat compared to metal blades, giving your skin a more comfortable contact experience· EASY TO INSTALL & CLEAN - Our replaceable blades simply remove the old dull blade when replacing, then turn the new blade up and snap it into place. The detachable design makes it easy to clean the blade and keep it hygienic