20pcs/10pcs/8pcs//2pcs/4pcs/6pcs Hemisphere With A Diameter Of 2.76in/7 Cm -Wet And Dry Flower Foam Brick, Green Polystyrene Foam Block For Flower Arrangement, Plant Decoration And Handicrafts, Spring Flower Arrangement And Handicrafts,The Corners Are Slightly Collapsed, Please Don't Take Pictures If You Mind,The Size Error Will Be About 0.5cm