How much does this cost to the nearest dollar?

MALOUF Cal, California King, White
Six-Sided ProtectionThe SLEEP TITE ENCASE Box Spring Encasement surrounds your box spring with complete protection of the top, bottom and sides against liquids, dirt and more. Made from a thin, durable fabric, it is quiet and rip resistant.Lab-Certified BarrierThe patented, laboratory-certified H2PRO membrane allows air to permeate while blocking liquids, dirt and more.Zipper EnclosureEncasement features a three-sided zipper that allows you to place the cover over the one end of the box spring and slide it in place. The zipper closure also allows you to easily remove the protector for laundering. Bamboo 2.5 Premium memory foam mattress topper with liquid gel layer Gel formula captures and distributes heat Soft, dough

Price is $621.00

Price: $620.7