Rusk W8less Ceramic and Tourmaline Str8 Iron Hair Straightener 1" Incredibly lightweight, making it convenient to hold all day. Plates infused with tourmaline, a precious gemstone that releases negative ions and far-infared heat at high temperatures. This, combined with Sol-Gel technology, allows a smooth glide through the hair, producing silky, smooth and frizz free results. Designed for heavy-duty use by salon professionals. Titanium and ceramic infused plates Temperature display Instant heat up and recovery up to 450F 9' swivel cord Weight: .75 lbs 2-year limited manufacturer's warranty