150D HT Yarn is a high-quality, high-tenacity yarn made from 100% polyester. It has a denier count of 150, making it a medium-weight yarn that is durable and strong. The "HT" in its name stands for "high-tenacity," which means that it is resistant to wear, tear, and stretching. This yarn is ideal for use in a wide range of applications, such as outdoor equipment, safety harnesses, and heavy-duty sewing projects. 150D HT Yarn can be easily incorporated into any project that requires a strong and reliable yarn.