Fully waterproof construction provides a barrier protecting the seat from dirt, dander, and "spills". * Constructed from durable, heavy-gauge polyester fabric. * Multiple attachment points and adjustable straps to keep the cover firmly in place in all vehicles. * Can be used flat to cover more area or zipped up into a box shape for smaller pets. * Measures 78" x 57" when flat or 48" x 16" x 14" when zipped up into box shape carrier.