JD, my name is Jessica with Kohler Customer Service. I am happy to assist with your inquiry. K-4647 has an overall length of 18-5/8" from the center of the hinge to the end of the seat and a seat length of 17" from front to back of the seat. Thank you for choosing Kohler.
Fits a standard elongated bowl fairly well. No overhang or gaps.
Hi, this is Laura with Kohler Co. I am happy to assist you with your question. The Stonewood seat K-4647 is available in white-0, honed white-HW1, biscuit-96, and almond-47. Thank you for choosing KOHLER.