An apparatus for holding a decorative cover. The apparatus includes: a body having front and rear opposite sides, the front side of the body having a front surface having a perimeter, the rear side of the body having a rear surface, and the body having an outwardly facing lateral surface between the front and rear surfaces； and a first connector on the body, the first connector detachably connectable, continuously adjacent at least a portion of the perimeter of the front surface, to a second connector, complementary to the first connector, on the decorative cover. A furniture apparatus includes at least one substantially thermoplastic body and one or both of diatomaceous earth and a PA1b-related peptide incorporated in one or more of the at least one body.
