Product specific information: Type: Refill Roller Heads Material: ABS + Micro-abrasive Particles Color: Black+Blue+Pink Compatible replacement rollers for Smooth Specially designed Diamond Crystals roller heads with long lasting micro-abrasive particle for continuous filing results. Waterproof structure ensures quick and easy wash or clean in sink. Safe and effective to remove dead skin from feet with electronic pedicure tool(not included). Great accessories for removing away your thick hard skin to reveal soft smooth feet. Heads gently buffs away hard skin in minutes leaving you with super smooth feet Safe and ready to use. consist of: 8Pcs Refill Roller Heads please Attention: Due to manual measurement, please allow a difference of 0.1%. Please understand us, thank you very much. Due to the difference in light and screen, the color of the project may be slightly different from the picture. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.