MS RND PREM MAINSTAYS SOFT TS 17",TPU leather, Memory Foam,New rice husk wooden powder,Flip slider Quickly release and Slow close hinges(forward/backward adjustment),Add 2 pcs of rubber pads to make it more securely fasten,Prevent shifting,Will not loosen, Packaging hinges displayed. Molded wood soft Cushioned toilet seat and lid offer exceptional softness and comfort, New Flip slider hinges complement any bath décor Comfortable TPU material over a wood inner core, the Memory foam feels more comfortable than regular seat Features Easy-Clean &Slow close hinge design that allows seat to be easily removed for effortless cleaning and maintenance The washer adding for the Seat Fastening System ensures a secure, never-loosens fit for non-slip stability, with easy installation for added convenience Decorative and comfortable design is perfect for anyone desiring comfort, or those with sensitive needs such as post-surgery, postpartum recovery, or for seniors