Kohler K-4662-45 Lustra Round Closed Toilet Seat with Quick Release Technology – Wild Rose. Product Finish/Color: Wild Rose. Product Type: Toilet Seats. Center to Center: 5.5. Hinge Center to Center: 5.5. Length (Inside): 10.125. Width (Inside): 8.4375. Installation Hardware Included: Yes. Toilet Seat Lid Included: Yes. Design Features: Quick Release Seat. ANSI Certification: Z124.5. Country Of Origin: USA. Made in America: Yes.