This is a set of 65 cores from 45cm commercial-grade plastic wrap rolls. They are made of sturdy material. These are used cores only. Please inquire if you need a large quantity. Used during cooking. There may be some stains or dirt. Please refrain from purchasing if you are concerned. For handicrafts, crafts, DIY materials, play activities Remaking, art projects, nursing homes, nursery schools Kindergartens, elementary schools, sports days, athletic meets Recycling, massage, science projects, chairs