The BRADY part PS-250-150-WT is an IP Series PermaSleeve Polyolefin Wire Marking Sleeve. These sleeves are designed to provide durable and long-lasting wire marking solutions. They are made from high-quality polyolefin material which offers excellent chemical and heat resistance. The sleeves are easy to install and are compatible with various wire sizes. With their permanent adhesive backing, they provide reliable identification and can withstand harsh environments. These white sleeves are ideal for applications requiring clear and visible wire marking.