These Shell Cups Will Slot Right In to Mermaid-Themed Parties! They’ll look magical on your celebration table, next to plates and other accessories from our Queen of the Sea collection! Plus, they’re planet-friendly thanks to their recyclable FSC-certified paper material. Exclusively designed by Party Pieces. A portion of sales from Queen of the Sea will be donated to Big Blue Ocean Cleanup - a global charity doing vital work to safeguard the world’s oceans. Product Details Pack Size: 8 Material: Paper Dimensions: 230ml Not suitable for hot drinks. About the brand: Party Pieces is a British heritage brand established for over 30 years by Carole Middleton.