This product is a kit with detailed diagrams and step-by-step instructions to make an extra large designer silicone trivet, featuring fabric of your choice. One 9" x 12" silicone overlay and sewing instructions are included. This sewing pattern includes measurements and cutting instructions for pieces to be cut with a rotary cutter and acrylic ruler. This pattern walks through each step with pictures and diagrams. Sewing Level: – Intermediate Skills you will learn or use: – Cutting with a rotary cutter – Basic quilting – Sewing with silicone Materials: – A listing of materials needed for this project is on the back cover, shown above in the images. While my patterns are made by me here in the United States, the silicone and hardware are sourced from China. For refills, get ATB-202 Refill XL Silicone Trivet.