King's Coronation Party Decorations: Make your King's Coronation party extra special with these Union Jack paper cups. Union Jack Party Supplies: Union Jack paper cups to brighten up your King's Coronation party. Each paper cup holds 256ml (9floz). Union Jack Decorations: Union Jack Decorations: Perfect for your King's Coronation celebrations; this party essential is a serious must buy. Match up with our Union Jack party range. Included in the Pack: 20 party cups. Each paper cup holds 256ml. Made by Experts: Baker Ross has been designing and providing the very best art and craft supplies, and toys to schools, groups and parents for over 40 years. All products conform to General Product Safety Regulations, and state age recommendation where applicable