Abstract: Disclosed herein is device where one embodiment is for use in chemically treating hair, particularly highlighting or coloring hair. One embodiment of the device may be reusable, recyclable, and transparent. Another embodiment of the device may comprise lightweight panels, at least a portion of which is transparent such that the stylist is able to view the results of the treatment process without opening the device. One embodiment of the device may be quickly and easily applied to and removed from the hair. Another embodiment of the device may be easily produced where all components of the device are integrally manufactured. An embodiment may also be adapted to comprise at least two compartments, such that multiple different chemical products may be simultaneously applied, while still retaining the benefits and advantages of the device.