A very popular size at 7cm in diameter, 22mm tall, and 385gms. It is very stable and can accommodate tall arrangements and is also useful in vases and containers where the benefits of arrangement and water absorption become apparent.This item is can be described as a Pinwheel, Kenzan, Stay Put or Spiky Pin Frog. A kenzan is used in Japanese flower arranging techniques called Ikebana. It is a heavy metal base with nail like vertical pins on which the flowers and natural materials are arranged.