Sanitary Toilet Seat Covers

toilet seat
Toilet seats are detachable, ringlike seats of plastic hinged to the top of a toilet bowl. They should be cleaned and disinfected daily using proper disinfectant-cleaner to prevent the spread of germs. Some toilet seats have a lid attached and others do not.
the hinged seat on a toilet
(Toilet Seats) Most toilets do not include a seat. They are available for round or elongated shaped bowls, regular or contoured for more comfortable seating. They also come in many finishes such as wood, molded composition, cushioned vinyl, plastic or polypropylene.

sanitary
Hygienic and clean
free from filth and pathogens; "sanitary conditions for preparing food"; "a sanitary washroom"
(Sanitaries) or sannies: White tube socks worn underneath baseball stirrups. Baseball teams originally wore solid-colored stockings, but fabric dyes weren’t colorfast in those days, so a player who was spiked could get blood poisoning if dye from the stocking got in the wound.
A state of cleanliness where the microbial and wild yeast and bacterial count on the surface of an item is reduced to a level considered safe for brewing. This is achieved by soaking items in a solution of sanitizing agent. See sterile.
Of or relating to the conditions that affect hygiene and health, esp. the supply of sewage facilities and clean drinking water

covers
Envelop in a layer of something, esp. dirt
(cover) screen: a covering that serves to conceal or shelter something; "a screen of trees afforded privacy"; "under cover of darkness"; "the brush provided a covert for game"; "the simplest concealment is to match perfectly the color of the background"
(cover) blanket: bedding that keeps a person warm in bed; "he pulled the covers over his head and went to sleep"
Scatter a layer of loose material over (a surface, esp. a floor), leaving it completely obscured
(cover) provide with a covering or cause to be covered; "cover her face with a handkerchief"; "cover the child with a blanket"; "cover the grave with flowers"
Put something such as a cloth or lid on top of or in front of (something) in order to protect or conceal it