Double-sided for extended use. Includes angle reference guide lines. Self healing. Bias markings for bias strip cutting. Easy-to-see colors. *TrueCut - The Grace Company products cannot be sold and advertised on or through any third-party website, online marketplace, mobile application, or other online forum without limitation such as Amazon, eBay, Groupon, Jet, Walmart, etc. without the prior written consent of TrueCut - The Grace Company.*