If you don’t need to buy the whole cushion, and you simply want to change the cover because it is stained or the room is being redecorated, then there are cheaper alternatives to replacing the cushion in its entirety. If you are handy with a sewing machine, you can use a standard cushion template to inspect the current cushion carefully, gently taking it apart if necessary. From here, you should be able to figure out the dimensions for recreating the cover yourself. This way you get complete choice over the fabric you use and it will be possible to make matching items to decorate the room elsewhere.
A Shermag Glider is a type of rocking chair that moves like a swing seat. The entire frame is made up of a seat that attaches to the base by a double rocker four-bar linkage. The non-parallel suspension arms therefore make it possible for the chair to simulate the movement of a rocking chair as it swings back and forth. Shermag Gliders are mostly bought for nurseries and parents who want to feed their baby whilst sat down and have the ability to rock them gently without too much effort.