The Charleston Coliseum and Convention Center has inked a five-year deal with a West Virginia-based convenience store chain. GoMart announced Friday it is the official convenience store partner of the entertainment and convention venue, and grab-and-go snack and beverage options will be available kiosks inside the Charleston Coliseum and will accept GoMart reward cards. In addition, promotions staff announced souvenir cups sold at the venue earn buyers a free drink at GoMart stores. Customers of the convenience store chain will have the opportunity to win tickets to future events through the GoMart app and rewards program.