Also guards against wear and tear when transporting your chair or scooter. These water resistant covers are made from urethane coated, mildew resistant 420-denier nylon. Features elasticized reinforced seams for cozy fit. If additional cinching is necessary, our covers include grommets along the bottom edge to attach bungee cords (not included) for extra security. Oversized stuff sack is included so it stows easily. Available in black.