Flexi-Fit Tech: 1.7 inch barrel TYMO STYLUX thermal brush with adjustable nylon bristles minimize hair pulling, effortlessly gliding through without tugging. The staggered bristle design ensures even hair distribution around the barrel, optimizing heat application and providing a secure hold for styling. Additionally, the thermal blowout brush is equipped with a 30mins auto shut-off, ensuring peace of mind by eliminating the worry of leaving it on inadvertently. Please note: the TYMO STYLUX thermal brush is not a hair dryer, not a hot air brush and does not possess hair drying functions. It is not designed to blow hot air. EFFORTLESS VOLUME, INSTANT BLOWOUT: Skip the hassle of straightening and curling separately.