Large Crystal Frog Insertsp with 16 Holes for your Flower Arrangements This product is a large crystal frog insert made of glass, featuring 16 holes for flower arrangements. The antique style piece is of original design and is made in the United States. The white color and intricate details make it a charming decorative collectible for any home or collection. Its post-1940 age adds to its uniqueness and appeal as a special addition to any flower arrangement display.