Features: Four types of graduated ruler silicone molds, including ruler, right triangle, isosceles triangle and semicircle protractor, can meet your requires. Made from quality food-grade silicone material, environmentally friendly, flexible, reusable, easy to mold and release. Non-sticky, easy to separate, high temperature resistant, easy to clean, environmentally friendly, low carbon, and recyclable. You can add sequins, small dried flower, small accessories and other favorite accessories to make your own unique stationery. Resin casting molds are compatible most resins and casting materials, making them nice gift for Christmas, birthdays, homecoming seasons, and New Year. Specifications: Material: Silicone Color: Clear Ruler: Approx. 16.5x3.5cm/6.5x1.38inch Isosceles Triangle Ruler: Approx. 12.9x6.9cm/5.08x2.72inch Triangular Ruler: Approx. 6.7x14.6cm/2.64x5.75inch Semicircular Protractor: Approx. 10.5x6.2cm/4.13x2.44inch Quantity: 4Pcs Package Includes: 4Pcs/set Ruler Silicone Mold note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.