Product Features: 
<br />Teeth whitening pen cleaner
<br />Easy, fast and safe to whiten your teeth
<br />Bring you a mouth of brightening teeth
<br />Great item for daily use
<br />Size: 127 x 12 x 12mm/ 5.00 x 0.47 x 0.47inch
<br />Net Weight: 16g/ 0.56oz
<br />Color: mainly silver
<br />How to use:
<br />Rotating whitening pen back to whitening gel extrusion to brush on the head;
<br />Then the teeth whitening gel evenly apply on mandibular teeth surface, daub thickness of about 1 mm (usually, whitening range for each 8-10 teeth up and down).
<br />Each treatment need 20 minutes for a week.
<br />Package Contents: 
<br />1 x Teeth Whitening Pen