Are you seeing double? You will certainly be seeing whiter teeth with our Dr. Smiles Pop & Prime Whitening Pen 2-pack. Keep one pen for yourself and give the second pen as a gift. Keep both pens, one at home and take one with you on the go! Two pens just makes keeping your smile white that much easier. Dr. Smiles Pop & Prime Whitening Pen gives you a brighter, whiter smile without causing sensitivity in just 30 seconds anywhere, anytime. Fast acting, convenient, easy to use with proprietary stain eraser tip. Remove surface stains, prepares your teeth for better results before and after in-office whitening. Get started now and whiten right in 30 seconds with no pain and all gain!