Solvit Waterproof Hammock Seat Cover Let your pet ride in style! The Solvit Waterproof Hammock Seat Cover is our most versatile model. Made from durable, heavy-gauge polyester material with a fully waterproof backing, the Hammock Seat Cover protects the seats and floorboards from dirt, dander and "spills". Also serves as a barrier to the front seat. Plus, our cover features multiple attachment points, adjustable straps and two Sta-Put devices to keep the cover firmly in place in all vehicles. Features attractive styling with classic colors.Machine washable.