PublicDomainPictures.net is a repository for free public domain photos. You can upload your own pictures and share your work with others.
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This round rubber coaster is made of a durable heat-resistant polyester fabric top, backed with a neoprene rubber non-slip backing, which keeps things from sliding. It measures 3.5" in diameter and 1/8" thick. It will not discolor or fade, machine washable.