LOW TEMPERATURE RESISTANCE - Be used normally at -30, and other characteristics also remain outstanding, the lowest temperature resistance even up to -60 CHEMICAL RESISTANCE - It can withstand dozens of solutions such as car oil, perfume, soap, detergent, mint oil, toothpaste and so on to be soaked and rinsed HIGH PRECISION WIRE DIAMETER CONTROL - Advanced diameter control and defect detection technology are used for no bump defects UPGRADED CARDBOARD DESIGN - The spools are newly upgraded to cardboard for better handling of recycling and designed with storage holes for easy storage NO WARPING NO TANGLE - Using a special process to make the product winding neatly, no jamming in the printing process EASY TO PRINT AND NEATLY ARRANGE - Guarantee a smooth and stable printing experience IMPROVED NOTCHED IMPACT RESISTANCE - Toughness and strength are further improved