WUWEOT 12 Pack Kenzan Ikebana Flower Frogs are made of stainless steel, which is sharp and strong enough for woody material, as well as soft plants, and will not rust after being immersed in water for a long time. You can use it in any place, such as home flower arrangements, offices, high-end clubs, coffee shops, Tea room, Flower art class, etc. Floral Frogs Kenzan can reduce the consumption of other flower materials, without using mud, grass, plastic foam, etc. You only need some water and your cut flowers can survive for several weeks.