This round Comfort Seat commercial quality toilet seat made of white premium plastic and stainless steel hinge post. It has an open front without a cover. It consists of high impact, chemically resistant polypropylene. This is very simple to install - only needing a screw driver. It is corrosion proof and comes with self-aligning hardware.Strong and durable - injection molded of high-impact, chemically resistant polypropylene Ergonomically designed for comfort and quality Seat bumpers are Molded-In for extra strength and durability, never need replacing Ultra-Violet Protection Molded into each seat to prevent color fading Simple to install - only requires a screwdriver, adjustable hinges for perfect fit, corrosion proof, self-aligning hardware Clean with Warm Soapy Water Made of High Impact Polypropylene Plastic UV additive maintains original color 1 Year Limited WarrantyBowl Type: Round Front Cubes (inches): 414-3 8 Finish: White Max Depth: 17-1 2 Max Height: 2-1 2 Max Width: 14-3 8 Min Depth: 16-1 2 Min Height: 2-1 2 Min Width: 14 Weight: 4.5