Subscribe to our Newsletter. 415 – Toilet Seat Accessory. Traditional Round Closed-Front Toilet Seat with Soft Close Product Specifications. Depth: 16.6875 in. Height: 2.31 in. Hinge Center to Center: 5.5. Length (Inside): 10.1875 in. Width: 14.13 in. Width (Inside): 8.375 in. Country Of Origin: China. Where possible, we note damage and list missing accessories. These factors are reflected in the pricing of the item. Simply send us a message, and a resolution will be quick to follow.