The Wilton herringbone silicone precision pattern is a flexible onlay about 17.8cm x 11.4cm. Press fondant into the mould, then apply the design to cake sides, or fill only the interior shapes for a cut-out look. Key Details Size: Approx. 17.8cm x 11.4cm Pattern: Herringbone fondant onlay Brand: Wilton Material: Flexible silicone Best For Textured fondant cake sides Geometric wedding and fashion cakes Quick onlay work instead of hand scoring Frequently Asked Questions How do I apply the onlay to a cake? Press fondant into the mould, trim the back, then press the filled mould onto a freshly iced fondant cake and peel the silicone away. Can I use buttercream instead of fondant? Onlays are designed for fondant. Soft buttercream will not hold the herringbone as cleanly. See silicone moulds, fondant, Wilton, decorating tools, wedding and cake decorating supplies.