The Veining Mats 1 - 4 (CutVnm2) set of four single sided silicone veining mats are manufactured by FMM. They can be used with a variety of mediums such as Gumpaste, Sugarpaste, Fondant, Marzipan, Modeling Chocolate, etc. This set contains the following leaves; Orchid Throat, Sweet Corn, Petal & leaf mats. They range in size from approximately 4" long and 3-1/2" wide to 2-1/4 x 1-1/4". Instructions for use are included in the package. These veining mats are made from food safe silicone by FMM Sugarcraft.