This Marker is ideal for: Polymer Clay, Air dry Clay, Suggarpast, cookie, Fondant cake, modeling clay, etc. Produced with resistant materials, specially developed to provide the best cuts and textures for any modeling. Decorative rulers are excellent for modeling long strips with symmetrical shapes. Approximate measurements:Height: 13 cm Width: 7.5 cm Thickness: 5 mm. Material: PLA Non-toxic product Wash before using. Blue Star Made in Brazil