Set of six cups designed to be stacked – perfect for picnics, birthday parties or everyday fun.Material 100% PLA - renewable materials that are plant-based rather than fossil-based. Silky smooth and soft to touch Dimensions H9 cm x W8 cm Cleaning instructions Dishwasher safe up to 65 degrees • Do not use in oven • Do not use in microwave oven • Freezer safe down to -20 degrees • Suitable for content up to 70C • Do not use on heating plate • Safe contact with food