Phillips Collection Floating Petrified Double Slice Wall ArtPrice Match Request Find this item cheaper? Send a screenshot and link to info@paynesgray. com. The Floating Petrified Slice Wall Art is made of a clear piece of acrylic behind fastened slices of petrified wood that were cut and polished by hand in Indonesia. The clarity of the acrylic creates the illusion that the pieces of wood are floating, and the transparency is enhanced by the clean silver brads that attach it to the wall. Single: 16in W x 2.