Luxury Square Design Toilet Seat This premium smiley D-shaped toilet seat is crafted from durable duroplastic, ensuring long-lasting use. It features a gentle soft-closing action on both the seat and lid, preventing slams and reducing wear. For easy cleaning, it has a central chrome-plated one-button quick-release mechanism. Features of the ECOSPA Square Toilet Seat - Smiley D Shaped Design - Soft Closing Action on Lid and Seat - Top Quality Seat Constructed from Strong Pressed Duroplastic - One Button Seat Release for Easy Cleaning - Hinge Adjustment Range: 105mm - 230mm - Outer Seat Dimensions: 430mm x 340mm - Inner Seat Dimensions: 290mm x 220mm - Top Bottom Fixing Hinges - Quick and Simple Installation - Instructions Included - Easy to .