?Specially Designed?:Replacement heads are compatible with all Spinbrush toothbrush handles with removable heads including PRO CLEAN, PRO WHITEN, & CHARCOAL CLEAN.Unique design,more dense bristles,stronger vibration and more thorough cleaning. ?High cost performance?: A box of 8 pieces can meet your need to change your toothbrush, and the price is more appropriate. ?Teeth Protection?: 95%-98% top of bristle rounded before packaging.It can better protect your dental enamel. ?Deep Cleaning?: Our toothbrush replacement head with innovative dual - head design. The rotating head can rotate quickly to effectively remove dirt and plaque on the surface of teeth. The bristle head can penetrate deep into the gaps between teeth and gum lines. The dual-head design ensures deep cleaning and leaves your mouth fresh. ?Efficient cleaning?: Our replacement toothbrush head can eliminate over 90% of surface dental plaque. This not only makes your teeth feel fresh and clean.