14 Packs/28 pcs Professional Teeth Whitening Strips Bleaching Whitener
Specifications:There are 2 strips in each pack, and 14 packs in total.The length of the 2 strips in each pack is different, the longer one is for the upper teeth, and the shorter one is for the lower.Size of the longer: 7.5 x 1.5 cmSize of the shorter: 5.5 x 1.3 cmDisclaimer:Research and experience show that the whitening effect from the treatment usually lasts for years. Teeth may darken faster if exposed again to staining products such as tobacco, coffee or juices. However, the teeth will probably remain significantly lighter than if no treatment had been done. Two to four nights of tooth bleaching performed at six month to four year intervals may be all that is necessary.Some difficult, darker stains may naturally require longer treatment than some milder stains. Depending on your teeth and type of staining, results will vary.1 x teeth whitening strip (14 packs, and 2 strips in each pack)