Costco Sale: Winplus Wetsuit Seat Covers 2-Pc $14.99 by Rhonda July 18, 2020 *UPDATE* 7/28/16. I love when manufacturers make a display model of their product small enough for a Barbie doll. Costco has the Winplus Wetsuit Seat Covers 2-Piece + Bonus 2 Seat … 0 FacebookTwitterPinterestEmail