Transparent Fish Aquarium Round Standard Size Toilet Seat with Cover Acrylic Seats.(Blue"17 Inch) Transparent Fish Aquarium Comfort Seats Round Acrylic Seat in Aquarium Features : Comes with Metal Hinges and bumpers For better durability And stability Ergonomically designed for comfort and quality UV additive maintains original color. Ultra-Violet Protection Molded into each seat to prevent color fading crystal clear with color coordinated bumpers. Color may vary and appears differently when compared from human eye and what is produced by a camera.