Official Sports Soccer Referee STARTER Kit With Carry Duffel Bag, Flags, & More. This listing is for an Official Sports duffel bag with shoulder strap, one set of Official Sports flags, one set of Kwik Goal flags, one set of black US Soccer Referee socks (not worn), whistle with neck rope, Official Sports holder for yellow and red cards, and Official Sports report forms (unopened). The bag and flags were used for one season, so half of a year. Items are in excellent condition. Original owner and comes from a smoke free home.