No water necessary, these cactus get their sustenance from parties. Perfect for Cinco de Mayo party, Fiesta or for your succulent fanatic Gardner. Offering an entire desert of fun for your Southwest theme. You can sprinkle some gravel on the table to create a dessert look.Sturdy Card Stock Cardboard. (3 pcs. per unit) 10 1/4" - 11 3/4" x 9 1/2" - 16 1/2"