The EAGO R-309SEAT is a reliable replacement toilet seat designed to provide a comfortable and practical upgrade for your bathroom. Crafted for the TB309 model, this seat features a durable construction ensuring long-lasting performance and stability. Its soft-closing mechanism prevents slamming, offering a quieter and more gentle experience for everyone in the household. Measuring 18 1/2 inches in length and 16 inches in width, with mounting holes spaced 5 7/8 inches apart, it's designed to fit standard elongated toilets. The seat also includes a 15/8 inch diameter mounting hole for easy installation and a secure fit. This replacement seat is ideal for families, individuals, or anyone looking to refresh their bathroom without a complete renovation. It's a straightforward solution for a common household need, offering both functionality and convenience. The seat's streamlined shape and neutral aesthetic blend seamlessly with a variety of bathroom styles. Ultimately, the EAGO R-309SEAT delivers a simple, effective, and comfortable solution for your toilet seat replacement needs..