UPHOLSTERY & DRAPERY WORKROOM FIRST CHOICE THREAD T40, Superior quality 100% polyester core, polyester wrap thread. Size Tex 40. Slightly thicker than, but almost twice as strong as our TD6K thread. 6,000 yards per spool. Due to dye lot variations, we strongly suggest purchasing more than enough to do the entire job Colors shown may vary based on screen settings. AE has set the highest level of sustainability compliance in the industry through our Eco-Driven initiatives. AE workins with some of the world's largest retailers and brands to create the standards for all textile suppliers and retailers. AE's long-standing commitment to Environmental, Health and Safety (EHS), sustainability, and Social Responsibility continues to be a top priority at all AE's operations worldwide. It has been widely recognized that enhancing environmental sustainability in operations and in the supply chain is simply the right thing to do, and it is essential to meeting expectations of both customers and stakeholders.