White Instant is a professional teeth whitening kit for instant results, up to 8 shades whiter, after just one application. The product contains a new, revolutionary whitening gel which has been clinically proven safe and instantly effective. This innovative, one step system will also actively remove stains and strengthen your teeth. A packaging contains 10 mouth trays which are ready to use. The trays are pre-filled with active gel and hygienically packed. The flexible one-size-fits-all trays ensure a comfortable fit and maximum performance.