ISELECTOR Sonic Toothbrush Replacement Heads with Tongue Brush on Back for RLT234， RLT236，4 pack (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> 4 brush heads with special tongue brush are designed to clean both your teeth and tongue </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> ISELECTOR products are A proven symbol of the highest quality， all our toothbrush heads have passed dentist's official health and safety standard </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> The bristles are made of medium soft nylon which provides effective gentle plaque removal and will not hurt your gum </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Different color-coded bristles are perfect for a family. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Dentists recommend replacement every 3 months for optimal results </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Wk5FtRySL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41aaF2-3GbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/512gopUcBKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51c3hS8NEgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41qai8OkqeL.jpg" noproxy>