These cutters have been printed on my 3D printer using PLA plastic. 3 clay cutters set for hair clips hair barrettes, 3D polymer clay cutter set. Sturdy and sharp cutters, specially designed as a tool for making polymer clay jewelry.Please hand wash your clay/cookie cutters. Please do not bake, don’t wash in dishwasher and do not leave in the sun. Also note that PLA can be sanded for sharpening the cut over time. These cutters can be used for cutting any kind of clay e.g. polymer, metal, ceramic. Size: as shown in picture 2, size is the ‘inner’ of the cutter. The cutter is hard, sharp edge makes distinct shapes, designed with a wide smooth base ensuring your hands are safe when you press upon the cutter. Made from food-safe PLA plastic. PLA is biodegradable.Color: Green. Age Range (Description): Adult. Theme: Shape,Shapes. Shape: Rectangular. Material: Plastic, Metal. Brand: CHENRUI. Date First Available: March 14, 2021. Manufacturer: CHENRUI. Item Weight: 0.317 ounces. Best Sellers Rank: #171,725 in Kitchen & Dining. Customer Reviews: 4.4 4.4 out of 5 stars 21 ratings 4.4 out of 5 stars. : B08YXSX834. Item model number: CR-88U. Package Dimensions: 5.83 x 3.98 x 0.63 inches.