Crystal clear acrylic blocks feature no-slip grips and are etched with centering lines. Positioning stamps in exactly the right place is so easyInkadinkado-Stamping Mat. This soft mat accentuates stamp details, creating a crisp and even result. Perfect for use with all kinds of stamps and, because it is designed to withstand high heat, it is great for embossing and heat setting. It features printed rulers for reference and cleans easily with soap and water. This package contains one 13x13 inch black silicon stamping mat with vertical and horizontal printed rulers. Dishwasher safe. Imported.