2 in 1 Whitening kit containing 28 strips and whitening pen. Developed to help you achieve professional whitening results in the comfort of your own home. Contains Hydrogen Peroxide for effective at home whitening. Contains whitening strips and whitening pen. Use once daily for 14 consecutive day. Contains Hydrogen Peroxide for effective at home whitening. Contains whitening strips and whitening pen. Use once daily for 14 consecutive day.