Prevents slamming of the toilet seat, no pinching of fingers - safer for children both the toilet seat and the cover have separate slow close feature simple to install - only requires a screwdriver gently tap the seat and it slowly closes corrosion-proof, self-aligning hardware clean with warm soapy water - OSG inhibits the growth of odor and stain causing bacteria to extend the life of the seat. Color-coordinated hinges and bumpers. Four bumpers on the ring for added stability. UV paint additive maintains the original color.