Product details:

Sea Horse Toilet Seats: Made of High Grade Polymer this seat is designed for maximum strength and durability and does NOT yellow over time like most polymers. Cast within the seat the stabilizing bumpers prevent rocking and keep the seat safely in place. Oval, chrome-plated brass hinges are tarnish resistant and fit standard hole spacing 5 1/2 in. May not be compatible with other brand name toilets. Seat measures: 16 7/8 in. x 14 1/2 in. Lid measures: 16 1/8 in. x 13 3/8 in. Features: Fun toilet seats made of High Grade Polymer for durability. Does NOT yellow like most polymers Seat 16 7/8 x 14 1/2 Lid 16 1/8 x 13 3/8 inch Oval hinges fit standard 5 1/2 in. 88 L x 14. 5 W x 2 H.