【20 pieces replacement roller】-- coarse (roughness 40) blue × 8, effective and quick removal of thick stratum corneum, suitable for hard skin; medium (roughness 60) black × 8, suitable for normal hard skin; fine (roughness 80) white × 4, suitable for daily care of feet.

【Use with different roughness】-- Choose a suitable roller according to your foot skin condition. You can use a high roughness roller to quickly remove hard and rough skin, and then use a small roughness roller for detailed grinding.

【Wide Compatibility and Packaging】-- This product is compatible with Velvet Smooth, Velvet Smooth Wet & Dry and Velvet Soft. Note: Not compatible with Express Pedi. The product is beautifully packaged, and the color box design is convenient for storage, and the replacement roller is not easy to lose or get dirty.

【High quality and easy to clean】-- the cheapest price, the largest quantity. Our replacement rollers have twice as many hard micro diamond crystal abrasive grains that are wear resistant and remove dead skin more efficiently. The washable material ensures quick and easy washing.

【Recommended Use Method】-- It is recommended to wash the sand head after each use, replace new accessories every 10 to 12 times, use no more than 2 or more times a week, and the duration of the same part does not exceed 3 seconds to to avoid skin damage.