Dyson-designed Round brush and Detangling comb are the perfect compliment to your styling routine. Detangle and lengthen all hair types before styling or shape and refine your finished style. Round brush creates volume and shape as you style. With round-tip bristles for scalp comfort, a weighted handle for balance, and a vented barrel to prevent hair from overheating. Both are heat-resistant up to 302˚F, for use with your hair dryer or styler. Brand new in box never opened.