Cruise Ship Muster Drill Funny Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Perfect for your next cruise or vacation on a boat. Saying says "Muster Drill - Interrupting bar service since 1972" Perfect for your next cruise or a gift for your cruising friends. Lightweight, Classic fit, Double-needle sleeve and bottom hem