This Stream33 1-1/2" x 1-1/4" PVC Poly Tapered Slip Joint Washer is crafted from high-quality polyethylene for durability and reliability. Its tapered design ensures a tight and effective seal in plumbing applications, particularly in connecting sink drains and pipe joints. The polyethylene construction offers resistance to wear and tear, making it an ideal choice for both residential and commercial plumbing systems. Easy to install and compatible with standard PVC piping, this washer is an essential component for ensuring leak-free connections in a variety of plumbing setups.