The AccuQuilt machine has no sharp edges, and it does not get dull. According to its official website, the die can cut up to 10 layers of fabrics at a time. This is a combination of cotton and other fabrics. The AccuQuilt cutting die can give you 100 to 200 clean and crisp cuts. If you store and maintain it well, it can go further. The cutting edges do not get dull or rough, unlike other metal cutters. But after a few hundred cuts, it is advisable to replace them. The AccuQuilt dies have a one-year warranty. This covers warranty on defects in materials and workmanship. This means that you can use your device for many years. But like any tools, you need to keep them clean and free from lint. The following are some maintenance tips to help you enjoy your AccuQuilt for years. Use a lint roller to remove threads from the foam and then use a die pick to remove threads from the blades. If you feel that the die is not cutting well, you do not have to replace them yet. First, check if the plastic or tray needs replacement on your Studio Fabric Cutter. In case you use the GO! Fabric Cutter, maybe the mat needs replacement. Always store the mat flat. Avoid rolling or bending it. Avoid storing or placing them at extreme temperatures. Intense heat or cold can cause mat brittleness or damage. Keep your AccuQuilt out of direct sunlight. You must not iron the mat. To extend the life of the mat, rotate and flip it periodically. Use lukewarm water and mild detergent when cleaning the mat. Avoid harsh or strong cleaning chemicals.