Carry your stuff while boasting about your team with Seattle Mariners bags from MLB Shop. Our inventory is chock full of all types of bags including Seattle Mariners backpacks, purses, duffle bags, gym bags, and cinch bags. Head out on a vacation with Seattle Mariners luggage bags to show everyone your hometown fandom. We feature some of the top brands in the world, including Dooney & Bourke and Coach. All bags feature clear Seattle Mariners logos and colors and are a great addition to any baseball fan's gear.