Silicone moulds of little cake sponge slices for craft creations/ polymer clay/ resin/ crafts 
Two silicone options 
Clear for resins 
Or
Green which is heat resistant up to 232°c(450°F) and is suitable for polymer clay, resin, wax, soaps, gypsum and concrete 
Both not food safe 
Sizes of triangle cake slices are approximately - 19x16mm, 13x11mm, 9x7mm
Rectangula slices 16x10mm- 12x6mm, 8x5mm